SEA ICE KINEMATICS AND THEIR RELATIONSHIP TO ARCTIC A … · 2014. 9. 27. · d-r165 384 a study of sea ice kinematics and their relationship to 1/4 arctic ambient no..(u) honeywiell

D-R165 384 A STUDY OF SEA ICE KINEMATICS AND THEIR RELATIONSHIP TO 1/4

ARCTIC AMBIENT NO..(U) HONEYWIELL INC DUARTE CA ORDNANCEDIV J K LEWIS ET AL. FEB 86 SAIC-85."1950-PT-3

UNCLASSIFIED NB4--B5-C-853F/G8112 NL

L4

11111L lAO11 1211111111112.2

L25 [41.611111_!11 _____2 5 1 1 1

11111-111-_L6

MICROCOPY RESOLUTION TEST CHARTNATIONAL BUREAU OF STANDARDS.1963-A

for"

A Study of Sea Ice -

Kinematics and Thcir* clitionships to Arci-;4

Ambient Noise

S <iin I1- Amb~ient Noise

-* ion 2 A~i~ 0c

4K

* ~ ~ ~ T If'. 4

A STUDY OF SEA ICE KINEMATICS

AND THEIR RELATIONSHIPS

TO ARCTIC AMBIENT NOISE

PART 3, SECTION 1 - AMBIENT NOISE

,-_f f it m- . 1

Science Applications International Corporation

MAR 1 3 1986

' Aw

~A STUDY OF SEA ICE KINEMATICS


,." ;TO ARCTIC AMBIENT NOISE

"PART 3, SECTION 1 -AMBIENT NOISE

~DTIC

' '-" MAR 1 3 1986

4w. ["[ doc-iment has been app-,ovodrrn , W w.WW',- ,i -: ic Wwl and sale; its

L. , ,-Aujon is unlimited.

. u 'tL -

PART3, SCTIO 1- AMBENT-OIS

::4s

0wmbcowd

.. % 4

vUnc I ssi f ledIARSE CURITY CLASSIFICATION OF THIS PAGE (Wholl Dots 9111004_______________

REPORT DOCUMENTATION4 PAGE S~U CORPL&TDIO PORN1REPORT HUMSCER 9V ACESS4ON H . 1111INT'S CATALOG NUMBER

SAIC - 85/1950 A IA I .~4.TITLE (.id Subtitle1)

A Study of Sea Ice Kinematics and Their Relation- Final Reportships to Arctic Ambient Noise March 1985-February 1986

S. PERFORMING ORG. REPORT NUMBERSAIC 1-425-07-356-106K

7. AU THOR(a) C. CONTRACT OR GRANT MUMBER(d)

James K. Lewis N00014-85-C-0531Warren W. Denper7S. PERFORMING ORGANIZATION NAME ANO ADORESS 10. PM GRAM09 ELME9NT. PROJ ECT. TASM

Science Applications International Corporation AGOaNK UN$IT "UMBRAS

1304 DeaconCollege Station, Texas 77840 ______________I I. CONTROLLING OFFICE NAME AND ADDRnESS IS. REPORT OATE .Office of Naval Research February 1986 -

Department of the Navy 13. NUMBER OF PAGESS Arlington, Virginia 22217 _____________

I&. MONITORING AGENCY N AAC A ADORIESS(tiLVIseu~t bdW1 COAPSaIiad Offise) 16. SECURITY CLASS. (of &USa r@060)

Unclassified

Is&. 9... ASIICATION/ OOGADINO -

to. DISTRIBUTION STATEMENT (of is. no~ef)

Approved for public release; distribution unlimited.

17. OISTRIOUTIOM STATfMENT (of the &batrast datatd in Block 2.. it ifoe4 asg.,e on apd)

10. SUPPLEUMNTARY MOTES

19 '. KEY WOR*$ (Con,Imas on reeseOd 14. II naMa Ond 04100080 6v Week 01006)

sea ice processes

arctic ambient noise7 ]thermal cracking

> (20. ABSTRACT (Cmntim onw rveres side It mtasem aid Id*Mtfl 6Y oo MWAa)This report details the kinematic analysis of sea ice motion data collectedduring the Arctic Ice Dynamics Joint Experiment (AIDJEX) in the Beaufort Sea.

.. > In addition, relationships between the ice kinematic parameters and associated\ ambient noise are presented. These relationships were determined by an

extensive correlation process between the noise and ice motion time histories.0Time scales of the various modes of ice motion were calculated by season.

~, Also, seasonal time and space scales were calculated for ambient noise at 10 HzS32 Hz, and 1000 Hz. -

DO D 1473 COITION OFP I HOV SU IS O0SOLX ES-N 0102- I-Ol4-6601 ONn, O c~ Fgr

SE1CURITY CLASSIFIAIONO TMIS PAGE (31,.. Dats Ento.E

A~~~ 4 .. - .

Table of Contents

0 '

Appendix A -',Seasonal Arctic Ambient Noise Variations,

Beaufort Sea, 1975-1976 . .... . ... .............. 3.1-1

Appendix B -"Two-Dimensional. Contour Maps of Arctic

Ambient Noise Variations, 8-9 August 1975

(Summer) ........ . . . . . .. ....... 3.1-49

Appendix C -(Two-Dimensional Contour Maps of Arctic

Ambient Noise Variations, 16-17 November 1975

(Fall). o.... . .......................... 3.1-104

Q

Uq

.

i iT

p*? i

3.1-1

I

N

Appendix A

-, J

Seasonal Arctic Ambient Noise

Temporal Variations, Beaufort

Sea, 1975-1976

0I.

This appendix presents the plots of some of the temporal varia-

>_ tions of the AIDJEX 10 Hz, 32 Hz, and 1000 Hz ambient noise signals

(at 3 hr intervals). Plots are presented for each station at which

noise data were available. One month of data is plotted, and each• -. season is represented:

Summer - noise data from August 1975,

Fail - noise data from November 1975, A e . or

winter - noise data from February 1976, and jTLS

Spring - noise data from May 1976.

, " " - " "" -... . - " " - ."" ," _ '* . '.. . . . . - *" - '" ,.. ' " , " " ' "

I 3.1-2

- ." ,.... List of Figures

S"-"Appendix A

Summer Page

Fig. A.1. Ambient noise variations, 10 Hz and 1000 Hz,Station 5 ....... .................. . 3.1-5

Fig. A.2. Ambient noise variations, 32 Hz, Station 5 • • 3.1-6

Fig. A.3. Ambient noise variations, 10 Hz and 1000 Hz,Station 8..... . . . . . . . . . . . . . . 3.1-7

Fig. A.4. Ambient noise variations, 32 Hz, Station 8 . . 3.1-8

Fig. A.5. Ambient noise variations, 10 Hz and 1000 Hz,Station 10 ...... .................. 3.1-9


. Fig. A.7. Ambient noise variations, 10 Hz and 1000 Hz,Station 13 ...... .............. . . .. 3.1-11




Fall

Fig. A.11. Ambient noise variations, 10 Hz and 1000 Hz,Station 5.................. 3.1-15

Fig. A.12. Ambient noise variations, 32 Hz, Station 5 • • 3.1-16

Fig. A.13. Ambient noise variations, 10 Hz and 1000 Hz,Station 8 ....... ................... 3.1-17

Fig. A.14. Ambient noise variations, 32 Hz, Station 8 3.1-18

Fig. n.15. Ambient noise variations, 10 Hz and 1000 Hz,Station 10 ..................... 3.1-19

Fig. A.16. Ambient noise variations, 32 Hz, Sta.ion 10 3.1-20

Fig. A.17. Ambient noise variations, 10 Hz and 1000 Hz,-. .<9-... Station 12 ...... .................. 3.1-21

. ., .- ,. ..

-=.

".It".',,.";" '-"-",,-" " '' °' - , -'.¢t ","w " - ","-"", .<.' . , ,"''"" " '"""""""", - -,'"".<. ,'.• .% -," - ." ' ' ..

3.1-3..[all, cont'd Page

"'_ Fig. A.18. Ambient noise variations, 32 Hz, Station 12 3.1-22

Fig. A.19. Ambient noise variations, 10 Hz and 1000 Hz,Station 13 ....... .................. 3.1-23


Fig. A.21. Ambient noise variations, 10 Hz and 1000 Hz,Station 66 ........ . . . . . . . . . . . 3.1-25


Winter


* Fig. A.24. Ambient noise variations, 32 Hz, Station 5 . . 3.1-28


/ Fig. A.26. Ambient noise variations, 32 Hz, Station 8 • . 3.1-30

Fig. A.27. Ambient noise variations, 10 Hz and 1000 Hz,Station 10 .................. 3.1-31

" . Fig. a.28. Ambient noise variations, 32 Hz, Station 10 3.1-32

Fig. A.29. Ambient noise variations, 10 Hz and 1000 Hz,Station 13 ....... .................. 3.1-33

Fig. A.30. Ambient noise variations, 32 Hz, Station 13 . 3.1-34





Spring

Fig. A.35. Ambient noise variations, 10 Hz and 1000 Hz,Station 5 ...... ................. .. 3.1-39

. .,

"%' "~~~~~~~t'f " "& .P" ..... . •...... .

3.1-4

-.. ,..Spring, cont'd Page

- ;~:K'--- Fig. A.36. Ambient noise variations, 32 Hz, Station 5 .. 3.1-40

Fig. A.37. Ambient noise variations, 10 Hz and 1000 Hz,

Stationl10 . . . .. .. ... .. ... ..... 3.1-41

Fig. A.38. Amnbient noise variations, 32 Hz, Station 10 .. 3.1-42

Fig. A.39. -Ambient noise variations, 10 Hz and 1000 Hz,Station 13...................3.1-43

Fig. A.40. Ambient noise variations, 32 Hz, Station 13 .. 3.1-44

Fig. A.41. Ambient noise variations, 10 Hz and 1000 Hz,Station 44...................3.1-45


Fig. A.43. Ambient noise variations, 10 Hz and 1000 Hz,Station 66...................3.1-47


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Appendix B

Two-Dimensional Contour Maps of Arctic

Ambient Noise Variations, 8-9 August 1975

(summer)

This appendix contains the two-dimensional contour maps of the

- - AIDJEX 10 Hz, 32 hz, and 1000 Hz noise signals for the 48 hour period

of 8-9 August 1975. The contour maps show the spatial variations of

the ambient noise signals at 3 hr intervals, the units of the noise

being decibells. The 8-9 August 1975 time period was chosen since the

noise increased significantly during 8 August (Julian day 220) and

began oscillating at several stations at the inertial frequency

('112.5 hrs) during 9 August (Julian day 221).

--S"i

£ °-°

SI •"°"L

.4.,

3.1-50

--- List of Figures

Appendix B

'0 Hz Pat

Fig. B.1. Spatial noise variations, day 220.0. ...... . 3.1-50.aia

Fig. B.3. Spatial noise variations, day 220.25 ..... . 3.1-52


Fig. B.5. Spatial noise variations, day 220.5 ...... 3.1-54


Fig. B.7. Spatial noise variations, day 220.75 ..... 3.1-56


. Fig. B.9. Spatial noise variations, day 221.0 ...... . 3.1-58

Fig. B.90. Spatial noise variations, day 221.125 . . . . . 3.1-59


Fig. B.12. Spatial noise variations, day 221.375 ..... . 3.1-61Fig. B.13. Spatial noise variations, day 221.5 ...... 3.1-62




Fig. B.17. Spatial noise variations, day 222.0 ....... . 3.1-66

32 Hz


- Fig. B.19. Spatial noise variations, day 220.125 ..... . 3.1-68



. Fig. B.22. Spatial noise variations, day 220.5 ....... . 3.1-71

........................................................

-V 1 3.1-51

- 132 Hz, cont'd Page

. Fig. B.23. Spatial noise variations, day 220.625 ..... . 3.1-72

Fig. B.24. Spatial noise variations, day 220.75 3.1-73



Fig. B.27. Spatial noise variations, day 221.125 ........ 3.1-76


Fig. B.29. Spatial noise variatior.3, day 221.375 . . ... 3.1-78

Fig. B.30. Spatial noise variations, day 221.5 ...... . 3.1-79

* Fig. B.31. Spatial noise variations, day 221.625 ..... 3.1-80

Fig. B.32. Spatial noise variations, day 221.75 ...... . 3.1-81

. Fig. B.33. Spatial noise variations, day 221.875 . .. . . 3.1-82

Fig. B.34. Spatial noise variations, day 222.0 ..... .3.1-83

1000 Hz

Fig. 6~.35. Spatial noise variations, day 220.0 .. ...... 3.1-84

Fig. B.36. Spatial noise variations, day 220.125 .. ....... 3.1-85



Fig. B.39. Spatial noise variations, day 220.5. ....... . 3.1-88


Fig. B.41. Spatial noise variations, day 220.75. ...... 3.1-90

Fig. B.42. Spatial noise variations, day 220.875 .. ....... 3.1-91


Fig. B.44. Spatial noise variations, day 221.125 3.1-92



Fig. B40. Sptial n~se valatios, day220.62 ..... 3.1-8:-i ig.B. 4 • patil n .sevar.at on cla 22.75 ... 3.-90

- 'iFig. .42.Spatil nose vaiatios, dy 220875 .... .1-9

3.1-52I

*...QQQ Hz, cont'd PageS . Fig. .47. Spatial noise variations, day 221.5 . . . . . . 3.1-95



V Fig. B.50. Spatial noise variations, day 221.875 . 3.1-98


-A

V

%'

'p

'1

.-

3.1-53

SUMMER 10 HZDAY 220.000 6. 6.

20

AL

3.1-54

SUMMER 10 HZDAY 220.1256.755

'62.

Figj. B.2. Spatial noise variations, day 220.125, based on theAIL)JEX 10 Hz noise data.

44

Ve o l f

3.1-55

* SUMMER 10 HZDAY 220.250 7.

-.. 4%

63.

Fig. B.3. Spatial noise variations, day 220.25, based on the

AIDJEX 10 Hz noise data.

Ilk~.

"a.'

a.,

3.1-56

SUMMER 10 HZDAY 220.375 6.

64.

" 63.a

i 67.2"

SFig. H.4. Spatial noise variations, day 220.375, based on the


W,

V. , -.-

3.1-57

SUMMER 10 HZ

IDAY 220.500

63.

F i g B.5 Spatial noise variations, day 220.5, based on theAIDJEX 10 Hz noise data.

'a,%%-L ,j!.

3.1-58


4.1.

54.

63-

73.

-' kFig. B.6. Spatial noise variations, day 220.625, based on theAIDJEX 10 Hz noise data.

.n4

3.1-59

SUMMER 10 HZDAY 220.750 84.7

4~ .0

. . . . . . . .

.00

Fig. B .7 Spatial noise variations, day 220.75, based on theAIi)JEX 10 Hz noise data.

3.1-60

SUMMER 10 HZDAY 220.875 84.7 poo8.

0-

Fig. B.8. Spatial noise variations, day 220.875, based on theAIDJEX 10 Hz noise data.

3.1-6 1

SUMMER 10 HZIDAY 221.000 83.2

I7 .

tIW

ALSK

Fig. 13.9. Spatial noise variations, day 221.0, based on theAIDJEX 10 Hz noise data.

Aa- e - A9A.

3.1-62

SUMMER 10 HZDAY 221.125 7a.7

.77.5

00.

8a.2a.,

vFig. t3.10. Spatial noise variations, day 221.125, based on theAIDJEX 10 Hz noise data.

~,- -z

3.1-63

SUMMER 10 HZDAY 221.250 83.2

y

00


V. % ,, , Hn ea

3.1-64

SUMMER 10 HZDAY 221.375 87.7

LSK

F'ig. B.12. Spatial noise variations, day 221.375, based on theA IDJEX 10 Hz noise data.

3.1-65

-. SUMMER 10 HZDAY 221.500 85.2

80.

,owaC

.. . .. . .. . .

-------------........... .....

.........

Fig. .13. patia nois varitions- day-21.5,basedon-t-A---J-- 10-Hz-noise-data.

6~11 V..

58

3.1-66

SUMMER 10 HZDAY 221.625 86.2

~86.

* woo

* 7w.


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84.7

I.

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e

... , 77. ;3


* r, .* %

. - -".

' ' '/-, ' " " - • ,. ~ 4" "- - A ".,

e . . '- . ,-...,' .. ". -, - . . - .

•3.1-68

SUMMER 10 HZDAY 221.875 83.2

85.0

~............... ........-72.


- W L

•° o - ' ' ' ' ' '

3.1-69


NNA

-7 2

4..:,.


3.1-70


62.

63.0

Fig.8.8 SptaVAIDJEX 32 Hz noise data. dy200

ft

It S p t a n o i s v a r i t i o n b a s e d.-V- o n t h e

3.1-71

%.0

DAY 220.25662.

64.

Fiy. .19. Spatial noise variations, day 220.125, based on theAIDJEX 32 Hz noise data.

3.1-72

SUMMER 32 HZ 6.DAY 220.250

!63.


I- L

3.1-73

SUMMER 32 HZDAY 220.375 63.9

; 62.5

tt.

800

Fig. B.21. Spatial noise variations, day 220.375, oased on theAIDJEX 32 Hz noise data.

~- ~-,t,.... v-. e

.~* #

4,

4°

%

I

flw''Jrx - r- - - -

3.1-74

SUMMER 32 HZN IDAY 220.500

64.

N " " : .......

4,

66.0

rALASKA

Fig. .22. Spatial noise variations, day 220.5, based on the

.IDJE. 3 Hz nois .e data.

". . . . . . .. . . . . . . . . . . . . . . . . . . .

. . . . . . .. . . . . . . . . . . . . . . . . . . . . .

3.1-75

SUMMER 32 HZ.W.9 IDAY 220.625

04.


3.1-76

SUMMER 32 HZDAY 220.750 6.s

..

,.-:' .4

,.,".,'

69.0~.

o -.- ,':.. ,ALASKA


3.1-771

SUMMER 32 HZDAY 220.875

zi . 6a.5

72.

LASK

A'-Fig. B.25. Spatial noise variations, day 220 .875, based on theAIDJEX 32 Hz noise data.

A., -

3.1-78

SUMMER 32 HZDAY 221.000 65.4

75.

N"

rq~r sr'- r .- r-w. - - --

3.1-79


.48.

4.P

%.72.

'4. %


3.1-80

SUMMER 32 HZDAY 221.250 66.9

A.o

73.

Fig. B-28. Spatial noise variations, day 221.25, based on theAIDJEX 32 Hz noise data.

SUMMER 32 HZ

£ ~DAY 221.375 6.

67.

70.

Fig. B.29. Spatial noise variations, day 221.375, based on the-~ AIDJEX 32 Hz noise data.

VA,

.Z'

~ .4~~j &:.#K~-.:~,: *-x: ~:~ 4~ ~-:~-~)V

3.1-82

SUMMER 32 HZ

DAY 221.500 6a.4

00

QO73.

Fig. B.30. Spatial noise variations, day 221.5, based on theAIDJEX 32 lHz noise data.

% % Pd P

.,~3.1-83


70.0

ALSK


Fig. B.31 Spatial noise v~aitos a 2.2,bsdo h

3.1-84

4.. -

SUMMER 32 HZDAY 221.750 65.4

,74.5

S.S

70.

.73


.S"o45,,4. "5

',. 4

.r ,a- . 5 ,

3.1-85


5. 71.5

69.

J72

Fig. 0.33. Spatial noise variations, day 221.875, based on the- AIDJEX 32 Hz noise data.

3.1-86

SUMMER 32 HZDAY 222.000 63.9

70.0

-.667.

*Fig. B.34. Spatial noise variations, day 222.0, based on theAIDJEX 32 Hz noise data.

A. Zc-O -Z

3.1-87

SUMMER 1000 HZDAY 220.000 .'3

4!37.44.a.

- .. .,,.,

AS!.KA


"21

j.%- 2' r-%I ,.'*

3.1-88

SUMMER 1000 HZ- DAY 220.125 '6.7':': . 3 .4

a .I " "

,. -'.ALASKA

J.

0


%

.....................................................

3.1-89

~ SUMMER 1000 HZDAY 220.250 3a.2

Fig. B.37. spatial noise variations, day 220.25, based on theAIDJEX 1000 Hz noise data.

i- .'.3.1-90

SUMMER 1000 HZDA Y 2 220.37 5.........

4..4

:.,7.

ALSK

Fi . B 38 p ti l n i e a i ti n , da 2 .75 a edo.h

AIJX 00Hznie aa

3.1-91

SUMMER 1000 HZDAY 220.500 , . ;

AN Fig. B.39. Spatial noise variation', day 220.5, based on the


%'..

S

4.-4

-f-AI65 284 A STUDY OF SEA ICE KINEMATICS AND THEIR RELATIONSHIP TO 2/4ARCTIC AMBIENT NO. (U) HONEYWELL INC DUARTE CA ORDNANCEDIV J K LEWJIS ET AL FEB 86 SAIC-85/i958-PT-3

UNCLASSIFIED N85- -8531 5 F/G 8/2 L

2.5.11

14-0 ii-

II1I251111_L

11111 ,I.LL.

11111.2---5 II111.4 11111".6,..;=

MICROCOPY RESOLUTION TEST CHART

NATIONAL BUREAU OF STANDARDS- 963-A

.5

.?

-2

4".,

3.1-92

SUMMER 1000 HZDAY 220.625 42.7

42.9

40.0


1A

3.1-93

SUMMER 1000 HZDAY 220.750 42.7

; 41.4

7.

41.

.4,/

','" 1,

-:ALASKA

|-4


4w

S .. '....

Si

.4

3.1-94


43.

-9SK

Fi.B4.Sailnievraios a 2.7,bsdo h

6IJX10 z os aa

VP

3.1-95

SUMMER 1000 HZDAY 221.000 41.2

.4a.

. .... ..


.," . .: } i

<'. . ..

55, 5• \ /,°**-....... ..

;.°.°-,. - V - " .- C K, -.. ** *. ... .. *

3.1-96

SUMMER 1000 HZDAY221.125 4.

-IV

.46.

40.0


3.1-97

SUMMER 1000 HZDAY 221.250 42.7

.4a.

41.

447.5

'ALASK


'ZL ZX-6

J1***~-, ' -*'~.C~~ *'.* . ' ' .

3.1-9 8

ISUMMER 1000 HZDAY 221.375 "4.2

42.9

*41.


* .9 AIDJEX 1000 Hz noise data.

3.1-99

SUMMER 1000 HZIDAY 221.500"2

~41.


3.1-100

SUMMER 1000 HZ

DAY 221.625 44.2

a -~

V...

o. • -,,. ..

a-.A .2"A

AAI,

Fig. B.48. Satial noise ariations, a 2.2,bsdo h

AIDJX 100 z nose ata

-- . .- - *a- .

,. , -'/.--

-"I

* ,. *

3.1-101

SUMMER 1000 HZ

DAY 221.750 "4.2

'54.

.4r

44..

ALSK

47.

Fig B09 pta os aitondy217,b do hAIDJE 100 Hz oisedata

-~ 3.1-102

SUMMER 1000 HZDAY 221.875 41.2

.53.

.k.

44

.49

IFig. B.50 . Spatial noise variations, day 221.875, based on theAIDJEX 1000 Hz noise data.

3.1-103

- SUMMER 1000 HZDAY 222.000 41.2

54.

. .....

3a.


3.1-104

Appendix C


Ambient Noise Variations, 16-17 November 1975

(Fall)


AIDJEX 10 Hz, 32 Hz, and 1000 Hz noise signals for the 48 hour period

of 16-17 November 1975. The contour maps show the spatial variations

of the ambient noise signals at 3 hr intervals, the units of the

noise being decibells. The Julian day for 16 November is day 320,

and the Julian day for 17 November is day 321.

k,.Ir

' ini.

*1-

J-". , ' - . . -"- '""/ " . - """ . '-v 'i . - " ' .. " ' . , " .- - - - - . - . ' '. .

I 3. 1-105

List of Figures

* ~.:,*-'-Appendix C

10 Hz Page

Fig. C.l. Spatial noise variations, day 320.0 ....... . 3.1-108

Fig. C.2. Spatial noise variations, day 320.125 ..... 3.1-109

Fig. C.3. Spatial noise variations, day 320.25 . . . . . 3.1-110

*Fig. C.4. Spatial noise variations, day 320.375. . ... 3.1-111

Fig. C.5. Spatial noise variations, day 320.5 ...... . 3.1-112

Fig. C.6. Spatial noise variations, day 320.625 . . ... 3.1-113


Fig. C.8. Spatial noise variations, day 320.875 ..... ... 3.1-115.Fig. C.. Spatial noise variations, day 3210. ..... 3.1-116

Fig. C.8. Spatial noise variations, day 3210.15 ..... . 3.1-116


Fig. C.12. Spatial noise variations, day 321.325..... 3.1-118

Fig. C.13. Spatial noise variations, day 321.3 7 . . . . . •3.1-11

Fig. C.14. Spatial noise variations, day 321.25 ..... .3.1-120


Fig. C.16. Spatial noise variations, day 321.75 ...... 3.1-122


Fig. C.19. Spatial noise variations, day 3220.15 ..... . 3.1-124' Fig. C.18. Spatial noise variations, day 320.0........... 3.1-125

Fig. C.20. Spatial noise variations, day 320.25 . .... 3.1-126

Fig. C.21. Spatial noise variations, day 320.25 ...... . 3.1-127

, :,Fig. C.218. Spatial noise variations, day 320.37......... 3.1-128

Fig. C.22. Spatial noise variations, day 320.5 ...... . 3.1-129"miebc.mi

3.1-106

. 32 Hz, cont'd Page

Fig. C.23. Spatial noise variations, day 320.625 ...... .. 3.1-130

Fig. C.24. Spatial noise variations, day 320.75..... 3.1-131

Fig. C.25. Spatial noise variations, day 320.875 ....... .. 3.1-132

Fig. C.26. Spatial noise variations, day 321.0 . . 3.1-133

SFig. C27. Spatial noise variations, day 321.125 . . . . . 3.1-134



Fig. C30. Spatial noise variations, day 321.5 . . . . . . 3.1-137

Fig. C.31. Spatial noise variations, day 321.625 . . - . - 3.1-138

Fig. C.32. Spatial noise variations, day 321.75 . . . . . 3.1-139Fig. C.33. Spatial noise variations, day 321-875 o31-140Fig. C.34. Spatial noise variations, day 321.75 . . . . . 3.1-140

Fig. C.36. Spatial noise variations, day 3201285 .. . .. 3.1-143

-. Fig. C.34. Spatial noise variations, day 322.0. ...... 3.1-141

--- 300 Hz

-. Fig. C.35. Spatial noise variations, day 320.05 ...... . 3.1-142


Fig. C.40. Spatial noise variations, day 32025 .3.1-14

Fig. C.37. Spatial noise variations, day 320.75 ..... .. 3.1-145


Fig. C.43. Spatial noise variations, day 320.5. ...... 3.1-147

Fig. C.44. Spatial noise variations, day 320.725 3.1-148


9'- Fig. C.46. Spatial noise variations, day 3210.75 ..... . 3.1-150

. Fig. C.44. Spatial noise variations, day 321.125 .. .3.1-151

,. Fig. C.45. Spatial noise variations, day 321.25.........3.1-152

. , Fig. C.46. Spatial noise variations, day 321.375 . .. .. 3.1-153

" -j

."-

3.1-107

11000 Hz, cont'd Page

Fi.C4.Sailnievrains a 2. .- 5SFig. C.48. Spatial noise variations, day 321.65. . . . . . 3.1-154


Fig. C.50. Spatial noise variations, day 321.75. ..... 3.1-156


Fig.~~~~~ ..1 Spta nois vaiaios da 322.0. . . . . . . 3-5

.21

3.1-108

FALL 10 HZDAY 320.000 71.2

77.

74.

S.-7

Fig. C.1. Spatial noise variations, day 320.0, based on theAIDJEX 10 Hz noise data.

40S

3.1-109

'.*.

75.

~.2

Fi.C.2. Spatial noise variations, day 320.125, based on theAIDJEX 10 Hz noise data.

3. 1-1101

FALL 10 HZDAY 320.250 69.7

-74.

ALSK

7a4

Figj. C.3. Spatial noise variations, day 320.25, based on thee: AIDJEX 10 Hz noise data.

3.1-111

FALL 10 HZDAY 320.3-J'75% 69.7

400

Fiy. C.4. Spatial noise variations, day 320.375, based on theAIDJEX 10 Hz noise data.

3.1-112

a75.

4..2

FALLE 10 HZnie aa

3.1-113

FALL 10 HZDAY 320.625 7.

.72


-z7

3 .1-114

FALL 10 HZ 6.DAY 320.750 6.

74.0

----------

Fig. C*7. Spatial noise variations, day 320 .75, based on theAIDJEX 10 Hz noise data.

J0

3.1-115

FALL 10 HZ

DAY 320.875 66.7

74.

.2 -

'I,'00


* ...

U-

3.1-116

FALL 10 HZDAY 321.000 59.7

6.2

Fig. C.9. spatial noise variation's, day 321.0, based on theAIDJEX 10 Hz noise data.

£ -A-

3 .1-117

FALL 10 HZDAY 321.125 69.7

830

9.2

Fig. C.10 . Spatial noise variations, day 321.125, based on the


3. 1-118

FALL 10 HZDAY 321.250 6a.2

4...4.5

.4.2

Fi.C1.Spta os vrain, a 2.5,bsdo h

AIJX1 z os aa

3. 1-119

FALL 10 HZDAY 321.375 69.7

'72.

4.-P

t484.

.2..


%

FALL 10 HZDAY 321.500 69.7

)84.

C..2


.4V

3.1-121

FALL 10 HZDAY 321.625 69.7

600


*~ n:

3.1-122

FALL 10 HZDAY 321.750 71.2

71.

14.

77.

S...7


3.1-123

FALL 10 HZDAY 321.875 68.2

77.


3.1-124

FALL 10 HZDAY 322.000 68.2

6a.

L4K


-- a

3.1-125

FALL 32 HZDAY 320.000 68.4

.79.

.575.3

4Fig. C.18. Spatial noise variations, day 320.0, based on theAIDJEX 32 Hz noise data.

N:.

S.% %

3.1-126

FALL 32 HZ

DAY 320.125 66.9

FFig. C.19. spatial noise variations, day 320.125, based on theAIDJEX 32 Hz noise data.

*N

,rw~r,~3 1 - -- - 197

3.1-12

ALSK'75.

FALLE 32 HZnie aa

-------- --- I

3.1-128

FALL 32 HZDAY 320.375 56.9

17..

F7..


4-.I

.4. 3.1-129

FALL 32 HZDAY 320.500 6.

-81.

.81.

4..5


% -4-.

3.1-130

FALL 32 HZDAY 320.625

V

8 2.

.81.1

.00

* QN

Fig. C.23. Spatial noise variati,3ns, day 320 .625, based on theAIDJEX 32 Hz noise data.

J.y

3.1-131

FALL 32 HZDAY 320.750 65.4

70.3


3.1-132

FALL 32 HZ 6.DAY 320.875 6.

r~or

:8

.70.

'.42.4


3 .1-13 3

FALL 32 HZ

DAY 321.000 6.

ALSK


% 4>:

.... Z,9

3.1-134

FALL 32 HZDAY 321.125 6a.4

.81.

78.4.


S..41

3.1-135

FALL 32 HZDAY 321.250 6.

M 40

.00


3.1-136

FALL 32 HZ~'DAY 321.35 6a.4

70.

82.

4%

~~.0


3.1-137

FALL 32 HZDAY 321.500 6a.4

70.

ALSK

.81.4%

Fig. C.30. Spatial noise variations, day 321.5, based on theAIUJEX 32 Hz noise data.

P 3.

3. 1-13 8

FALL 32 HZDAY 321.625 6a.4

.181.1

Fig. C .31 . Spatial noise variations, day 321.625, based on the* AIDJEX 32 Hz noise data.

of

3.1-139

FALL 32 HZ 6.DAY 321.750 6.

VV.

A L A SK A Is7 .

V -. Fig. C.32. Spatial noise variations, day 321.75, based on theAIDJEX 32 Hz noise data.

3.1-140

FALL 32 HZDAY .621.875

75.

NN


3.1-141

FALL 32 HZDAY 322.000 6.

01

00

-~.0


3.1-142

FALL 1000 HZDAY 320.000 36.7

*52.

... '~'ALASKA

IN


'4

S -

3.1-743

FALL 1000 HZDAY 320.125 3.

~5 4.

ALSK

Fig. C.36. spatial noise variations, day 320.125, based on theAIDJEX 1000 H~z noise data.

3.1-144

FALL 1000 HZDAY 320.250 56.7

'45.

0.

0:3

Fi.C3.Spta os vrain, a 2.5,bsdo h

AIDJE 100 Hz oisedata

Le A.A I A-r

3 .1-14 5

FALL 1000 HZDAY 320.375 35.2

0 .

.00

Fiy. C.38. Spatial noise variations, day 320.375, based on theAIDJEX 1000 Hz noise data.

3.1-146

FALL 1000 HZ

DAY 320.500 56.7

050

38.&


3.1-147

FALL 1000 HZ

DAY 320.625 3a.2

43.

~ ~. ALASKA

- Fig. C.40. Spatial noise variations, day 320.625, based on theAIDJEX 1000 Hz noise data.

'(* .e

3.1-148

IFALL 1000 HZDAY 320.750 56.7

N45.

.00

*Fig. C.41. Spatial noise variations, day 320.75, based on theAIDJEX 1000 Hz noise data.

3.1-149

FALL 1000 HZDAY 320.875 3.

.00


"Y-.74 A 7',:

3.1-150

FALL 1000 HZDAY 321.000 3.

.00

Fig. C.43. spatial noise variations, day 321.0, based on theAIDJEX 1000 Hiz noise data.

* *3.1- 151

AFALL 1000 HZ

40.

.00


J, J

-~. ~-.A

3. 1-152

FALL 1000 HZDAY 321.250 33.7

40.3

IV I

ALSK

Fi.C4.sailnievraindy312,bsdo h

AIJX10 z os aa

6%

3.1-153

FALL 1000 HZDAY 321.375 56.7

~40.

i f.

Fi.C4.Sailnievraios a 2.7,bsdo h

0IJX10 z os aa

3.1-154

FALL 1000 HZDAY 321.500 3a.2

52.

4Fig. C.47. Spatial noise variations, day 321.5, based on theAIDJEX 1000 Hz noise data.

all

Sn

3. 1-155

FALL 1000 HZ

DAY 321.625 36.7

40.3 %


~% Au' %

3.1-156

FALL 1000 HZ

DAY 321.750 36.7

40.

0.

-IFig. C.49. Spatial noise variations, day 321.75, based on theAIDJEX 1000 Hz noise data.

3.1-157

FALL 1000 HZDAY 321.875 35.2

.44.

p46.

46.

.00

-. Fig. C.50. Spatial noise variations, day 321.875, based on theAIDJEX 1000 Hz noise data.

4

I.%

3.1-158

FALL 1000 HZDAY 322.000 35.2

44

.0.

Fig. C.51. Spatial noise variations, day 322.0, based on the* AIDJEX 1000 Hz noise data.

%I.

7

*47 7--- Z

AVM I

AVMM .

V.WMN iOWWY'U.NW,-

.4neApiain ntraim oprto

A STUDY Of SEA ICE KINEMATICS


TO ARCTIC AMBIENT NOISE

PART 3, SECTION 2 -AMBIENT NOISE

&r. &2

Table of Contents

- , Page

Appendix D - Two-Dimensional Contour Maps of Arctic

Ambient Noise Variations, 9-10 February 1976

(Winter) ................................... 3.2-1

Appendix E - Two-Dimensional Contour Maps of Arctic


(Winter) .......... ........................ 3.2-56

Appendix F - Two-Dimensional Contour Maps of Arctic

Ambient Noise Variations, 16-17 May 1976 (Spring) .... 3.2-111

4i

I3.2-1

Appendix D



(Winter)



z.-'-.of 9-10 February 1976. The contour.maps show the spatial variations

of the ambient noise signals at 3 hr intervals, the unit of noise

being decibells. The Julian day for 9 February is day 39, and the

Julian day for 10 February is day 40.

i A

S I 3.2-2

I List of Figures

.Appendix D

0O Hz Page

Fig. D.l. Spatial noise variations, day 39.0 ...... . 3.2-5

Fig. D.2. Spatial noise variations, day 39.125 ..... 3.2-6

.- Fig. D.3. Spatial noise variations, day 39.25 ....... . 3.2-7Fig. D.4. Spatial noise variations, day 39.375 ..... 3.2-8

Fig. D.5. Spatial noise variations, day 39.5 ...... 3.2-9FFig. D.6. Spatial noise variations, day 39.625 ..... 3.2-10Fig. D.7. Spatial noise variations, day 39.675 ...... . 3.2-10

Fig. D.7. Spatial noise variations, day 39.75 ...... 3.2-11

Fig. D.9. Spatial noise variations, day 40.0 ...... . 3.2-13

Fig. D.10. Spatial noise variations, day 40.125 ..... 3.2-14Fig. D.11. Spatial noise variations, day 40.25 3.2-14

Fig. D.ll. Spatial noise variations, day 40.25 ...... . 3.2-15

Fig. D.13. Spatial noise variations, day 40.35 .3.2-17

Fig. D.14. Spatial noise variations, day 40.565 ..... . 3.2-17

* Fig. D.15. Spatial noise variations, day 40.65 ...... 3.2-18

Fig. D.16. Spatial noise variations, day 40.75 ..... . 3.2-19

• 'jFig. D.16. Spatial noise variations, day 40.875.......... 3.2-20


32 Hz



Fig. D.20. Spatial noise variations, day 39.25....... 3.2-24


.- Fig. D.22. Spatial noise variations, day 39.5 . . . . . . 3.2-26

-So.m

3.2-3

32 Hz, cont'd Page


Fig. D.24. Spatial noise variations, day 39.75 ....... . 3.2-28


Fig. D.26. Spatial noise variations, day 40.0....... 3.2-30

Fig. D.27. Spatial noise variations, day 40.125 . .... 3.2-31

-. Fig. D.28. Spatial noise variations, day 40.25 ... ..... 3.2-32

Fig. D.29. Spatial noise variations, day 40.375 ....... 3.2-33

Fig. D.30. Spatial noise variations, day 40.5 . ..... . 3.2-34

Fig. D.3l. Spatial noise variations, day 40.625 ...... . 3.2-35

Fig. D.32. Spatial noise variations, day 40.75 . . . . . .3.2-36

- Fig. D.33. Spatial noise variations, day 40.875 ...... 3.2-37

Fig. D.34. Spatial noise variations, day 41.0.. ..... . 3.2-38

t3OHz, r -w Fig. D.35. Spatial noise variations, day 39.0 . . . . . . 3.2-39

Fig. D.36. Spatial noise variations, day 39.125.. .......3.2-40

Fig. D.37. Spatial noise variations, day 39.25. ...... 3.2-41

Fig. D.38. Spatial noise variations, day 39.375 3.2-42Fig. D.39. Spatial noise variations, day 39.55 ...... . 3.2-43

E Fig. D.41. Spatial noise variations, day 39.675 ....... . 3.2-44

Fig. D.42. Spatial noise variations, day 39.75 . .... 3.2-45SFig. D.40. Spatial noise variations, day 39.875.......... 3.2-46

Fig. D.43. Spatial noise variations, day 40.0. ...... 3.2-47

Fig. D.44. Spatial noise variations, day 40.125 ..... 3.2-48." -

Fig. D.45. Spatial noise variations, day 40.25. . . .... 3.2-49


40!.

wS

." -'sa

1 i3.2-4

1000 Hz, cont'd Page

:Fig. D.47. Spatial noise variations, day 40.5...... 3.2-51


Fig. D.49. Spatial noise variations, day 40.75 . .... 3.2-53


Fig. D.51. Spatial noise variations, day 41.0.. ..... . 3.2-55

'r.-. "

dm"

.. .

-..

,a.- .

,* *''- " . . . . .- . . . . -. *' * . *. . . -.. . .. . . . . .-- *- - - .' . .. . .. .. .. .. .. -. - . -,. _ -

i. 3.2-5

WINTER 10 HZ 72.7

DAY 39.000

~77.2583.-

,| o

.80.

Fig. D.I. Spatial noise variations, day 39.0, based on the AIDJEX10 Hz noise data.

-.-- 5 ..*-" ,"

,S. S.

3.2-6

WINTER 10 HZ 7.

DAY 39.125

'83.

)80.2

*84.8

* F ig. D.2. Spatial noise variations, day 39.125, based on theAIDJEX 10 Hz noise data.

4*;Z

~. 1'3.2-7

WINTER 10 HZ 7.

DAY 39.250

83.

-77.

41

*Fig. D.3. Spatial noise variations, day 39.25, based on theAIDJEX 10 Hz noise data.

N

3.2-8

WINTER 10 HZ 7.

D AY 3 9. 375

82.

U78.7

83.0

-. Fig. D.4. Spatial noise variations, day 39.375, based on theAID.-EX 10 Hz noise data.

3.2-9

WINTER 10 HZ 74.2

DAY 39.500

82

'77.

6.86.9

83.

3.2-10

WINTER 10 HZ 7.

DAY 39.625

80

.83.

Fig. D.6. Spatial noise variations, day 39.625, based on theAIDJEX 10 Hz noise data.

..... ....

3.2-11

WINTER 10 HZ 77.2

DAY 39.750

w82.

0,

Fig. D.7 . Spatial noise variations, day 39.75, based on theAIDJEX 10 Hz noise data.

3.2-12

WINTER 10 HZ 72.7

DAY 39.875

p82.

89.


3.2-13

WINTER 10 HZ 7.

DAY 40.000

44.

ALASKA

82.

Fig. D.9. Spatial noise variations, day 40 .0, based on the AIDJEX10 Hz noise data.

6-1

7g. '--

R/ .

3.2-14

WINTER 10 HZ 6.

DAY 40.125

' ~ ALASKA

83.

Fig. D.10 . Spatial noise variations, day 40 .125, based on theAIDJEX 10 Hz noise data.

3.2-15

WINTER 10 HZ 7.

DAY 40.250

V80

J77.2

*ALASKA 8.

~84.


3.2-16

WINTER 10 HZ 7.

DAY 40.375

i5.

ALASKA 7.

Fig. 0.12. Spatial noise variations, day 40 .375, based on theAIDJEX 10 Hz noise data.

3.2-17

WINTER 10 HZ 7.

DAY 40.500

p85

ALASKA 8.

r83.

*Fig. D.13. Spatial noise variations, day 40.5, based on the AIDJEX10 Hz noise data.

* - 3.2-18

WINTER 10 HZ 7.DAY 40.625

00

,~ , -

.86.

Fig. D.14. Spatial noise variations, day 40.625, based on the.1 AIDJEX 10 Hz noise data.

£~Ajo. o. i li

3.2-19

WINTER 10 HZ 8.

DAY 40.750

6 ra

80.

77.3.

Fig. D.15. Spatial noise variations, day 40.75, based on the- AIDJEX 10 Hz noise data.

4.

* *-'-V. ~ - - * 4 4 ~%

3.2-20

WINTER 10 HZ 7.

DAY 40.875

80.2

83.9

Fig. D.16. Spatial noise variations, day 40.875, based on thed* ~ AIDJEX 10 Hz noise data.

3.2-21

WINTER 10 HZ 7.

DAY 41.000

,79.

-~ ALASKA

80.7

Fig. D.17. Spatial noise variations, day 41.0, based on the AIDJEX

10 Hz noise data.

3.2-22

WINTER 32 HZ 69.g

DAY 39.000

'81.

ALASKA

-JFig. D.18. Spatial noise variations, day 39.0, based on the AIDJEX32 Hz noise data.

A .

3.2-23

WINTER 32 HZ 6a.4

DAY 39.125

.79.

94.

87.0


3.2-24

WINTER 32 HZ 6a.4

DAY 39.250

w77.

F Eig. D.20 . Spatial noise variations, day 39.25, based on theAIDJEX 32 Hz noise data.

N%* *h.*. I..~. ..2-Z . % 2, i .**.

3.2-25

WINTER 32 HZ 6.

DAY 39.375

79.0

84.


3.2-26

*WINTER 32 HZ 69.9

DAY 39.500

~76.

ALSK...................0....................

8.4 . . .

-65 364 A STUDY OF SEA ICE KINEMATICS AND THEIR RELATIONSHIP TO 3/4ARCTIC AMBIENT NO..(U) H4ONEYWdELL INC DUARTE CA ORDNANCEDIV J K LEWIS ET AL. FEB 86 SAIC-B5/i958-PT-3

UNCLSSIFIED N88814-85-C--8531 F/G 8/12 UL

- ~ ~ 1 3 .2 I I

L0 11112.0

11111.25 ~. -

MICROCOPY RESOLUTION TEST CHART I

NATIONAL BUREAU OF STANDARDS 1963-A

Jr

'11 M *.-.

3.2-27

WINTER 32 HZDAY 39.625

"7..

81.

!87.

Fi.D2.sailnos aitos a 3.2,bsdo h

AIJX 2H nie aa

3.2-28

WINTER 32 HZ 72.9

DAY 39.750

71.81-',,

.76.7

-'C'...

ALASKA

i 79.9

\S.

fig. D.24. Spatial noise variations, day 39.75, based on the

AIDJEX 32 HZ noise data.

4V

. .- , ,'%

3.2-29


ALASKA


-p

.4.

3.2-30

WINTER 32 HZ 71.4

DAY 39.875

.40.

:-: ALASKA

'79.5

.87.

Fig. D.26. Spatial noise variations, day 40.0, based on the AIDJEX'S 32 Hz noise data.

p.%

'44.

U ° ,

.0..xc.- ,,.

3.2-31

WINTER 32 HZ 6.

DAY 40.125

14.

ii .. ALASKA

81.


3.2-32

WINTER 32 HZ 7.

4~. DAY 40.250

.%.74.a

.ALASKA

81.082.9,

Fig. D.28. Spatial noise variations, day 40 .25, based on theAIDJEX 32 Hz noise data.

3.2-33

IWINTER 32 HZ 8.

DAY 40.375

4.3

- ALASKA78.

.81.4

(Z


44%

3. 2-34

WINTER 32 HZ 7.

DAY 40.500

76.

0


32 Hz noise data.

3.2-35

WINTER 32 HZ 7a.9

K.' DAY 40.625

4%

~j LASKA 8.

7a.


AkA...~9

3.2-36


77.a


3.2-37

WINTER 32 HZ 7.

DAY 40.875

80

.81.

ALASKA

.472.-

6Z

Fig. D.33. Spatial noise variations, day 40.875, based on theAIDJEX 32 HZ noise data.

3.2-38

WINTER 32 HZ 75.9

DAY 41.000

76.6

ALSK


32 HZ noise data.

3.2-39

WINTER 1000 HZM.DAY 39.000

~43.

ALASKA

07.

Fig. D.35. Spatial noise variations, day 39.0, based on the AIDJEX1000 Hz noise data.

3.2-40


'N7.

50.

ALASKA 5.

Fi.D3.Sailnos aitos-a 3*2tbsdo h

AIJX10 z os aa

.%4%

7: r n

3.2-41

WINTER 1000 HZ 3.

DAY 39.250

-AO

?~ALASKA 4.


3.2-42


41.

40.

F'ig. D.38. Spatial noise variations, day 39.375, based on theAIDJEX 1000 Hz noise data.

3.2-43

WINTER 1000 HZ 42.7

DAY 39.500

ALASKA

Fig. D.39. spatial noise variations, day 39.5, based on the AIDJEX1000 Hz noise data.

Li.Z

3.2-44

WINTER 1000 HZ 4.

DAY 39.625

ALASKA

01 ?I


. . ... . . . . . . . .

. . . . . . . . . . . .. .

3.2-45

WINTER 1000 HZ 47.2

DAY 39.750

I43.3

ALASKA 4.

-57.

*Fig. D.41. Spatial noise variations, day 39.75, based on theAIDJEX 1000 Hz noise data.

3.2-46

WINTER 1000 HZ 4.

DAY 39.875

46.0

Fig. D.42. Spatial noise variations, day 39.875, based on the"'4,.AIDJEX 1000 Hz noise data.

~I

3.2-47

WINTER 1000 HZ 3.

DAY 40.000

ALASKA r~ ~~~:'

~46.

.5'.


-.- .455A

3.2-48

WINTER 1000 HZ 56.7

DAY 40.125

01.

iC.4-


3.2-49

WINTER 1000 HZ 4.

DAY 40.250

m.

04.

Fig. D.45 . Spatial noise variations, day 40.25, based on theAIDJEX 1000 Hz noise data.

3.2-50

WINTER 1000 HZ 51.7

DAY 40.375

~~4a.

ALASKA


xyi

3.2-51

WINTER 1000 HZ 53.2

DAY 40.500

;$7.

ALASKA


-. ~~ T.w r RY a~ VY VN2

3.2-52

WINTER 1000 HZ 53.2DAY 40.625

47

40.

'k2

Fig. D.48. Spatial noise variations, day 40.625, based on theAIDJEX 1.000 Hz noise data.

3.2-53

WINTER 1000 HZ 56.2

DAY 40.750

INA

49.

I%

.57..

Fig D.9 pta9osevraindy407,bsdo hAIJX10 z os aa

al.

3.2-54

WINTER 1000 HZ 3.

DAY 40.875

ALASKA

'52.0

Fig. D.50 . Spatial noise variations, day 40 .875, based on theAIDJEX 1000 Hz noise data.

6.%It

3.2-55

N.WINTER 1000 HZ 4.

DAY 41.000

62.

9.b

9..

0%

~jAALASKA c

36.

Fig. D.51. spatial noise variations, day 41.0, based on the AIDJEX1000 Hiz noise data.

3.2-56

Appendix E



(Winter)



of 21-22 February 1976. The contour maps show the spatial variations

of the ambient noise signals at 3 hr intervals, the units of noise

being decibells. This time period (Julian days 51 and 52) was chosen

since the noise levels at all three frequencies showed unusually low

intensities.

.. . ..

-g ' " . - . -z . ° . -- .,.- -.- -. . - , ",- ". . , j 'L '-Z " .° _. .

3.2-57

List of Figures

Appendix E

10H z Page

Fig. E.1. Spatial noise variations, day 51.0 ...... . 3.2-60

Fig. E.2. Spatial noise variations, day 51.125 . . ... 3.2-61


Fig. E.4. Spatial noise variations, day 51.375..... 3.2-63


Fig. E.6. Spatial noise variations, day 51.625 ..... . 3.2-65Fig. E.7. Spatial noise variations, day 51.5 ...... 3.2-66Fig. E.8. Spatial noise variations, day 51.75 ..... . 3.2-66


Fig. E.1. Spatial noise variations, day 52.075 . .... 3.2-68

Fig. E.11. Spatial noise variations, day 52.25 ......... 3.2-69

Fig. E.12. Spatial noise variations, day 52.25 . . 3.2-70


Fig. E.14. Spatial noise variations, day 52.625 . . . . . 3.2-72

Fig. E.15. Spatial noise variations, day 52.65 ........ . 3.2-73


Fig. E.17. Spatial noise variations, day 53.0. 5...... 3.2-76

* 32 Hz

Fig. E.18. Spatial noise variations, day 51.0 . . . . . . 3.2-77

Fig. E.19. Spatial noise variations, day 51.125 ..... . 3.2-78

Fig. E.20. Spatial noise variations, day 51.25. ....... . 3.2-79



h.. Of ." p.'

3.2-58

' '---32 Hz, cont'd PgN:.-Pag

Fig. E.23. Spatial noise variations, day 51.625 ..... 3.2-82

Fig. E.24. Spatial noise variations, day 51.75 ..... .3.2-83

Fig. E.25. Spatial noise variations, day 51.875 ....... 3.2-84

Fig. E.26. Spatial noise variations, day 52.0 ...... 3.2-85

Fig. E.27. Spatial noise variations, day 52.125 ..... 3.2-86p..

Y Fig. E.28. Spatial noise variations, day 52.25 . . . . . . 3.2-87


Fig. E.30. Spatial noise variations, day 52.5 . . . . . . 3.2-89

Fig. E.31. Spatial noise variations, day 52.625....... 3.2-90




000 Hz

Fig. E.35. Spatial noise variations, day 51.0 . ..... . 3.2-94


Fig. E.37. Spatial noise variations, day 51.25 ....... . 3.2-96

Fig. E-38. Spatial noise variations, day 51.375... .. 3.2-97

Fig. E.39. Spatial noise variations, day 51.5 . ..... . 3.2-98

Fig. E.40. Spatial noise variations, day 51-625 ..... 3.2-99

Fig. E.41. Spatial noise variations, day 51.75 . . . . . .3.2-100

Fig. E.42. Spatial noise variations, day 51.875 ...... 3.2-101

", Fig. E.43. Spatial noise variations, day 52.05 . . . . . . 3.2-102


." Fig. E.45. Spatial noise variations, day 52.25....... 3.2-104


1 ... ....

"..,%

-' ' , ' " °. ° °. • ° , . ' .. . .' '. / " / . 0 - . . J . * " ", " .' " ' ' . . .• 2 " ' " o

" - . - j -A P" ° ' - °m° ° "

-- -- - -- - - -

j 3.2-59

4,0 Hz, co_________ Page

-Fig. E.47. Spatial noise variations, day 52.5........3.2-106

-- Fig. E.48. Spatial noise variations, day 52.625.......3.2-107

*Fig. E.49. Spatial noise variations, day 52.75 ........ 3.2-108

Fig. E.50. Spatial noise variations, day 52.875........3.2-109

Fig. E.5l. Spatial noise variations, day 53.0........3.2-110

Is 4

* .. . .

* 3.2-60


IFig. E.1. Spatial noise variations, day 51.0, based on the AIDJEX10 Hz noise data.

4

3.2-61

-..

WINTER 10 HZ 66.2

DAY 51.125

0,2.

h6a.3

Fig. E.2. Spatial noise variations, day 51.125, based on theAIDJEX 10 Hz noise data.

*64. 4 ,-,,, -- ,

- . ,,.., ..

3.2-62

WINTER 10 HZ 6.

DAY 51.250

60.

* ,~ ~ALASKA

4Fig. E.3. Spatial noise variations, day 51.25, based on theAIDJEX 10 Hz noise data.

~K 4

3.2-63


ALASKA

V62.


V I

-- ----

3.2-64

WINTER 10 HZ 65

DAY 51.500

960.

.I?

64.

Fig. E.5. Spatial noise variations, day 51.5, based on the AIDJEX10 Hz noise data.

l--

3.2-65

WINTER 10 HZ

DAY 51.625

0,.0

" 67.60.

ZN

a. 4.G #

J'.64.4

-"' .--:,"ALASKA 4 "

"J"- " "66. a

.:.;.Fig. E.6. Spatial noise variations, day 51.625, based on theI AIDJEX 1l) Hz noise data.

3 .2-66


60.

7.7.2

.63.a


3.2-67

WINTER 10 HZ 6.

DAY 51.875

0

ALASKA465.7


40~jU~

3.2-68


60.

-~ ~K.ALASKA

65.3'

Fig. E.9. Spatial noise variations, day 52.0, based on the AIDJEX4,.,.10 Hz noise data.

!f ., 2

3.2-69

WINTER 10 HZ 6.

DAY 52.125

*65.

64.

----- ----

V.

Fig Spta.os aitos dy5.2,bsdo h

AIJX1 z os aa

3.2-70


w62.

62.


3.2-71

WINTER 10 HZ 66.7

DAY 52.375

~63.7

0 I

LA.SKA 65

.63.a


.4_-

................- ~~~~ V% . C

3.2-72

WINTER 10 HZ 6.

DAY 52.500

.64.4

*.65.3

Fig. E.13. Spatial noise variations, day 52.5, based on the AIDJtEX10 Hz noise data.

3.2-73

WINTER 10 HZ 66.7

DAY 52.625

.4)7. 62.2

*i 'L

.65.9

-66-

• Q)Fig "-.

>4 10 A L data.. o" -

%0444

Fig. E.14. Spatial noise variations, day 52.625, based on the,.[/[AIDJEX 10 Hz noise data.

*- -.

:.. .

. ;);&:.':-'-....-"v" -,< K,, , ', ,, .4'

',• ,, . ,,- _ _. -, .,.,,". , . . . . " ' ", ", ,"v ',""." ,,' ': ', """'" " ". ' ';- -" ".,

-. 3.2-74


V63.

Fig. E. 15 . Spatial noise variations, day 52.75, based on theAIDJEX 10 Hz noise data.

3.2-75

WINTER 10 HZ 68 .2DAY 52.875

.4..


3.2-76

IWINTER 10 HZ 6a.2N, DAY 53.000

:6

p.7.

ALSK


- - - - - m- - - - - .

3.2-77


-65.

-S1.

-60.


N; '-.

3.2-78


.64

60.

65.

2d

Fi.E1. Sailnievraindy5 .2,bsdo4h

AIJE 3 H nis dta

3 .2-79

WINTER 32 HZ 6.

DAY 51.250

Fig. E. 20. Spatial noise variations, day 51.25, based on theAIDJEX 32 Hz noise data.

.4 .

3.2-80

WINTER 32 HZ 6.

DAY 51.375

.64

.62.a

06

ALASKA

Fig. E.21. Spatial noise variations, day 51.375, based on the4, AIDJEX 32 Hz noise data.

-<NN

A. . . . . . . . . . . . . . . . . .

3.2-81

WINTER 32 HZ 6.

DA Y 51.50 0

'004..

64.5.

A.1,


3.2-82

WINTER 32 HZDAY 51-625

U64

ALSK 6.

Fig. Eo23. Spatial noise variations, day 51.625, based on theAIDJEX 32 Hz noise data.

3.2-83


'64

03.


3.2-84

WINTER 32 HZ 6.

DAY 51.875

~62

'4 -5

.

ALASKA


3.2-85

WINTER 32 HZ 6.

DAY 52.000

.57.

Fig. E.26. Spatial noise variations, day 52.0, based on the AIDJ~32 Hz noise data.

.-, . 3.2-86

WINTER 32 HZ 63.9

DAY 52.125

2.

< 459.a"

" 57.2

2 Spatial noise variations, day 52.125, based on the

,.- / -.. / '.......

-IJE 2,z'osedaa

4-9P.-A S .' 'w-•6 .5""

3.2-87

WINTER 32 HZ 6.- DAY 52.250

~. ALASKA


3.2-88

WINTER 32 HZ 60.9

DAY 52.375

f62.

.4.

0.


. . . . . . . . . U. -.

--. , ,-. .!U .. S K* ."- ...... .. ""

3.2-89

WINTER 32 HZ 62.4

DAY 52.500

U6'.

4-.

60.

E~y E.30 . Spatial noise variations, day 52.5, based on the AIDJEX32 Hz noise data.

- .~-.'3.2-90


4'62.

.54.

~ - LASKA 6.

.4'..

Fig. E.31. spatial noise variations, day 52.625, based on theAIDJEX 32 Hz noise data.

4V'

3.2-9 1

WINTER 32 HZ 6.

DAY 52.750

:64

00.

............

Fig E.2 pta.os aitos a 27,bsdo h

AIJX 2H nie.aa

3.2-92


60.

A.


' *,%.;

3.2-93

WINTER 32 HZ 6.

DAY 53.000

4'4.2

3.2-94

WINTER 1000 HZ 4.

DAY 51.000

ALSK

40.

Fig. E.35. Spatial noise variations, day 51.0, based on the AIDJrX1000 Hz noise data.

% 'e

3.2-95


~ _ ALASKA


3.2-96

WINTER 1000 HZ 3.

DAY 51.250

I.2

38.

t-'-

3.2-97

WINTER 1000 HZ 36.7

DAY 51.375

.32

.41.

. ..... 7


"14"J.o

...........................................

3.2-98


I LASKA 3.

-44


.9..

3.2-99

WINTER 1000 HZ .2DAY 51.625

-2P.

"--.9.

ALASKA

07.

e-'.5 "' -

~35.

' 5

- o.-


At. . . . - . . . . . . . . . . . . . . . . .

3.2-100

WINTER 1000 HZ 3.

DAY 51.750

S.3


3.2-101


~~32.

31.


AV. ~

3.2-102

WINTER 1000 HZ 32.2

DAY 52.000

'p32.

31.

35.


4

3. 2-10 3

WINTER 1000 HZ 52.2

452

J,..

37.0


3. 2-104

IWINTER 1000 HZ 32.2

DAY 52.250

p32

-41..

Fig. E.45. Spatial noise variations, day 52.25, based on theAIDJEX 1000 H~z noise data.

14

3.2-105

WINTER 1000 HZ 32.2

DAY 52.375

4C

52

51.3


3.2-106

WINTER 1000 HZ 32.2DAY 52.500

-- 3.

31.


-~~-- -- w -- -..- -W- - -

3.2-107

WINTER 1000 HZ 3.

4 DAY 52.625

'a1.

-28.


3.2-108

. .....

ALASK


3.2-109

~< WINTER 1000 HZ 3.

DAY 52.875

*Fig. E.50. Spatial noise variations, day 52.875, based on theAIDJEX 1000 H~z noise data.

-4 .

6 Z

3.2-110

RIO

WINTER 1000 HZ

DAY 53.000


: D- • - - -~

- U3.2-111

* I .Appendix F


Ambient Noise Variations, 16-17 May 1976

(Spring)



of 16-17 May 1976. The contour maps show the spatial variations of

the ambient noise signals at 3 hr intervals, the units of noise being

decibells. The Julian day for 16 May is 135, and the Julian day for

17 May is day 136. The contour maps for day 135.75 were not

O •generated as a result of a lack of data.

4,-

% %

3.2-112

List of Figures-. "..

. . °:'" Appendix F

10 Hz PageAFig. F.. Spatial noise variations, day 135.0 ...... 3.2-115

Fig. F.2. Spatial noise variations, day 135.125 ..... . 3.2-116Fig. F.2. Spatial noise variations, day 135.25 . .... 3.2-117

Fig. F.3. Spatial noise variations, day 135.25 ..... . 3.2-117

Fig. F.4. Spatial noise variations, day 135.375 ...... . 3.2-118




Fig. F.8. Spatial noise variations, day 136.0 ...... 3.2-122


Fig. F.11. Spatial noise variations, day 136.25 3.2-125

*.Fig. F.12. Spatial noise variations, day 136.35 ...... . 3.2-125

Fig. F.13. Spatial noise variations, day 136.625 .. . 3.2-126

Fig. F.14. Spatial noise variations, day 136.75 ..... 3.2-128Fig. F.13. Spatial noise variations, day 136.625 ..... . 3.2-127

Fig. F.14. Spatial noise variations, day 136.75 ..... 3.2-128

32 Fig. F.15. Spatial noise variations, day 136.875 ..... 3.2-129

Fig. F.16. Spatial noise variations, day 137.0 . . . . . . 3.2-130

--: 32 Hz

Fig. F.18. Spatial noise variations, day 135.0. .... 3.2-131

Fig. F.19. Spatial noise variations, day 135.25 ...... 3.2-132Fig. F.198 Sata noise variations, dy135.125.......3.2-133



; . 4• % %1

I 3.2-113

32 Hz, cont'd Page

..- Fig. F.22. Spatial noise variations, day 135.625 . . . . . 3.2-136


" Fig. F.24. Spatial noise variations, day 136.0 ...... 3.2-138




Fig. F.28. Spatial noise variations, day 136.5 ....... . 3.2-142


Fig. F.30. Spatial noise variations, day 136.75 . .... 3.2-144



1000 Hz

Fig. F.33. Spatial noise variations, day 135.0 ....... . 3.2-147* Fig. F.34. Spatial noise variations, day 135.125 ..... 3.2-148






Fig. F.40. Spatial noise variations, day 136.0 ....... . 3.2-154Fig. F.41. Spatial noise variations, day 136.125 ..... 3.2-155



Itic '

S. m

.' 4 2.'i " '. 1 9 i " . " ,i . . ." "" "

I 3.2-114

000oo Hz, cont'd Page

Fig. F.44. Spatial noise variations, day 136.5 .......... 3.2-158

Fig. F.45. Spatial noise variations, day 136.625 ....... 3.2-159

*Fig. F.46. Spatial noise variations, day 136.75........3.2-160

Fig. F-47. Spatial noise variations, day 136.875 ..... 3.2-161

*Fig. F.48. Spatial noise variations, day 137.0 ........ 3.2-162

0ww omo

3.2-115

SPRING 10 HZDAY 135.000

68.2 7.

71.

Fig. F.l. Spatial noise variations, day 135.0, based on theAIDJEX 10 Hz noise data.

ImpV~Y

3. 2-116


6827.

Fig. F.2. Spatial noise variations, day 135.125, based on theAIDJEX 10 Hz noise data.

W,. 4V

3.2-117


73.

ALASKA

69.


3.2-118

SPRING 10 HZ

DAY 135.375

68.2 71.5

4.wx~ w


~ '.. .. '.,.

3.2-119

'I- -


65.2 73.0

176.

A7.2

,71.

.Fig. F.5 ...- a-nievratos ay155 asdo h

4-,. 1 H ,, . -

p71.

.. .4'

Fig. F.5. Spatial noise variations, day 135.5, based on thehv2 AIDJEX 10 Hz noise data.

-'9 3.2-120


4."A69.7 74.5

4.4

.76.

.71.

F'ig. F.6. Spatial noise variations, day 135.625, bsdo h


r 3.2-121


69.77.

~76.

Fig. F.7 . spatial noise variations, day 135.875, based on theAIDJEX 10 Hz noise data.

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Fig. F. 10 . Spatial noise variations, day 136.25, based on theAIDJEX 10 Hz noise data.

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Frig. F.17. Spatial noise variations, day 135.0, based on theAIDJEX 32 Hz noise data.

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