Glaciological Study in Terra Nova Bay, Antarctica, Inferred From Remote Sensing Analysis

7/29/2019 Glaciological Study in Terra Nova Bay, Antarctica, Inferred From Remote Sensing Analysis

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nn Goo erio iooi oie

Gcc u T Nv B, Acc,

inferred from remote sensing analysisMSSO FRZZOTT

NA R asaa PG o 00 00100 Roma AD a

BC i of ellie ige I 4 IXS of S N erl phoogrph TM of SGS p h e poble o e ber of pee elg o he rfce c bewee96 990 of egh ce oge of wo ice hele he Ter No re he how h bewee 606 9 hee w eieeree i he re of oe of he oe hee - for he iorier oge -4 for he N e e hee he oher h he re

geerll iree he perio 9- o exepio o hi iio ihe ll Hell e ce helf whoe e he b l k bewee 96- 9. The clcle rfce eloc of he ce oge how h he creefo he grog le o her oer l Vle o logl r egeerll icree fro he gog le o j fer he r of he e ogefer whih he iih proeeig owr i oer lii egrio of he ree wih rioeho oig h eble he ie ihrge of he oherow of he Di lier ) of he or ie oge06 k o be clcle Frherore o he b of he lblebl elg le of bewee c 00 c " ece for hee woce oge boo freeg le of 0 c for e Drgk Ice TogeDere pecrl repoe of he glcl e he e i poble o crieblio re fro hoe of lio o iereie rio pologie ofe glier ie el le ie e ie fore he e helfoe ierfe)

INTROCTION

he li ri reerh pror h beeoperig i he err No re iori e Deceber 9 hi e i o he borbewee wo oe wh ee orphoogcl glcologcl chrcec Fg To he oh re heo of oher Vcor L wh he lpepe orpholog gli oer i he for of

lo glier ior pbel oil ier whih re o fe b he ri iehee. Thee glce chrge o Woo TerrNo forg ce oge To he oh he o chrcee b ce oge fe b glce helre re lier whih ri lol re prl fe lo b he peripher pr of he iice hee he jor ole glier of he re DiReee ree whch p of Doe Crce of he Tlo Doe Drewr 93 hg e opproxel 0 000 k e i Terr No he eee riele oe lier oiig ogeher

for he Ne e hee he e gie o he p hogh i i e he Hell e l ce helf og Terr No ebewee he Norher Foohll Vegeo Iexpeble l

e hele ie oge p ipor roe ihe i ble of ri ie heeDiere ho Wli oher 9 wihi

g kh ma of Nova a nd Wood aa dan on h bss UCoogah ms ojntt onnn Lnd Fotn h tonu nd tonu Ft nd 3 I

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Fo Glaoloal udy n a Noa Bay

bank, 1988 MacDonald and othrs, 1989; Bindschadlrand Scambos, 1991 hav shown that rliab paramtrsconcrning ow charactrs of ths faturs (ow rat,aral and ic front variation, latral spradng tc canb obtaind by analysis and comparison of satllitimags and air photos which hav bn takn svrayars apart. Th ic tongus and ic shvs of TrraNova Bay rang in ara from tns of km (Larsn andRandom Hils ic tongus, Hlls at ic shl to about2000 km (Nansn c Sht, Drygalski Ic Tongu)

h katabatic winds from th East ntarctica icsht ar th most signicant cimatic factor in th rraNova Bay ara (Bromwich and urtz, 1984) hswinds blow mainly along th vallys of th David, Rvsand Pristly glacrs. Thir forc and prsistnc, mainlyin wintr, causs th formation of prsistnt annualpolynya in Trra Nova Bay (urt and Bromwich, 983)Morovr, ths winds ar th principal mnt actingon th surfacs of th glacir bodis, causing high surfac

ablation rats with th formation of aras of blu ic,windscoops and snowdrifts

MARIA AN M

ria photographs and satllit imags of Trra Novaay ara hav bn acquird sinc 19 and 1972rspctivly rial photographs wr takn by th SNavy with th rimtrogon systm M) btwn 1955and 1963 and thy hav bn usd by th S GologicaSurvy and th Nationa Scinc Foundation to compi

maps of th ntarctica Rconnaissanc Sris at th scal1 20 000 for th Ross Sa sctor In this study, thSunc ils, Mount Murchson, Rvs Nv, MountMlbourn, Mount oyc and Rlif Int shts havbn usd Th satllit imags wr rcordd by Landsat MSS (1972 and 1973, by Landsat 4 TM (1988 and1990 and SPOT XS 988, 1989 and 1990 Landsat 1MSS is a rstgnration satllit, with imags having annormal spatial rsolution (pixl siz) of about 80 x 80 mand four spctral bands. SO I XS and andsat 4 Mar scondgnration satllits showing high ualitygomtrical dnition with a spatia rsoution of

20 x 20 m and 30 x 30 m rspctivly SPO XShas thr spctral bands and Landsat 4 TM has svnspctral bands.

With th us of andsat 4 M satllit imags 62 13and 62/1 14 of 1 anuary 1990 ig 3) and SO I XSimags (2/47, 27/47, 28/49 and 26/0 of 19Dcmbr 1988 24/44 and 2/46 of 2 Dcmbr 1989and 20/4, 21/44 21/47 and 23/46 of 12 anuary1990; ig 2, two gorfrncd mosaics wr cratd(rzzotti, 1992 Borfcchia and rzzotti, 1991),idntifying on th imags th godtic ntwork ofPNR. (ITINTRTIDE and th Survy Con

trol Stations of th US. Gologica Survy Maps Gorfrncing was carrid out by rctifying th imags in aambrt Conformal Conic cartographic proctionStandard arall 240 and 520, WGS 2) uato that of.SGS maps, using a linar convrsion matrixwith a RMS of lss than two pixs aking ths mosaicsas rfrncs, th othr satlit imags Landsat MSS64/1 12 and 64/1 13 of 28 Novmbr 1972 Landsat MSS

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64/1 13 and 64/1 14 of 2 anuary 1973 andsat 4 TM 60114 of 13 Dcmbr 1988 wr rctid using a linarconvrsion matrix with a RMS of undr on pix

Th satlit imags and th maps of th ic tongusand of th ic shlvs corrctd in this way wr analyzdand compard by digital tchnius h dirntgographical positions of th glacial faturs (ic fronts,snow dris, crvasss, ic dolins tc during dirntyars alowd valuation of variations of surfac paramtrs, th positions of th ic fronts and th surfacvlocitis (Baroni and othrs, 199 1 a rzzotti, 1992)h main rror in ow rat dtrminations rsults fromth gomtric rsolution of th satllit (andsat I MSS80 x 80 m, andsat 4 TM 30 x 30 m, and SOT XS0 x 20 m and from imprcis positioning of pointscausd by uncrtaintis in idntifying idntical dtails ofth faturs in th two imags, as Orhim and ucchitta(98) point out

To invstigat th ic shlf Hlls Gat, w utilizd th

folowing vrtical .S. Navy photographs TM 32F32, no 70-72 (3 Dcmbr 196, TM 36 F32, no289292 (0 Dcmbr 9); TM 28 1 V no 6264 (6Novmbr 1985 M 2852 V no. 103106 (6Novmbr 198). On ths w stablishd scal with adtaid topographic survy of th dirt cons occurrng atth surfac of th ic shf at Hlls Gat wst Baroni,1990. Th rlativ positions of th dirt cons and of thic front wr dlimitd on th basis of th distanc fromrfrnc points on land Inxprssibl Island to th wstand Northrn oothills to th ast) h masurmntswr rpatd on nargmnts x of both th 196-7

and 198 imags This procdur alowd th masurmnts of th ow rat and th variation of th ic frontbtwn 956-5 and 1985 original photographs(9 x 9 in). Othr masurmnts hav bn obtaind bycomparing a subscn of th SOT XS (2/4, 19Dcmbr 1988 Fig. 6 with aria photograph (Baroniand othrs 1991a .

ll th laborations wr carrid out using thhardwar and sowar instrumnts of EDI (ENEDIG IMGERY systm

IC ONGE AN IC ELVE

Aviaor, Capbell Rando ill and inke

Th local viator, Random ills and inkr gacirs ndin ic tongus in Wood Bay (ig 2, whras CampbllGlacir nds in Trra Nova Bay (ig. hs glacirshav accumulation basins (Fig varying in si btwna fw tns of km (Random Hills, 76 km and somthousands of km (viator Glacir, 300 km, CampblGlacir, 4000 km, inkr Glacir, 1400 km) basinsof ths glacirs rach and xcd 3000 m (MountHwson, approximaty 3720 m) and thy dvlop

mainly at hights of mor than 1000 m (80% of thCampbll glacir basin ara dvops at hights of morthan 1000m). Th Random Hils and Campbll gacirshav thir grounding lin and th start of th ic tongumor or lss coinciding, whil th inkr and viatorgacirs oat for about a quartr of thir ngth (ig 1

Th analysis of th position of th ic fronts (USGS 1963, Landsat MSS 1972, SPOT XS 1988-89 has


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tt lalgal study n a Nva ay

Skm!

g Subsn J ma o spa 1 XS mag (ha and tt 11) n Jal l (R 3 1)

hng th d ay aa Lgnd 1 nt n 989 (PO X) nt n 97 (Landat M) 3: nt n 93 (C map) 4 ad-h undng n mt (Enghat and th 989

own a Campb Gacr Tongu ran am xn ovr im (ab I bu no h morphoogof i i fron uh a iuaion oud b xpaind bauming ha onan annua ibrg aving o hc dcarg T viaor Random H and inkr congu oang n Wood a prn gncanvaraon n xn and morpoog n our of

im (ig and ab : ran mn pa of hmorhoog o h i of h i ongu ar raindor n of ar (roi 99 or h i onguw av o aum prod of mor han n ar ofconan grow nrprd b pa n cour ofwc brakng o of cbrg rduc hr araignian h dirn bhaviour of h i ongu inh wo ba houd b ind wih h wn ponarn in rra ova Ba, poind ou b urz andromwc 83 T prnc of pona prvn formaon of a and ba c around CampbGacr Tongu, nabng wav moon and a

urrn o bra up h i ongu ino ma ibgh pn of fa and ba oug o of h ain Wood Ba prmi inad a br procion andconrvaon of c ongu wc hn brak upwn r ar nn orm

T annua ow ra of c ongu (Tab Iav bn acuad ov an avag of a(and a M of 9 and I of 989 a

3 pon for vaor v pon for Random H andig pon for inkr or Campb Gacir Tongui ha bn poib o aua h annua ow a(ab a poin on wo ighrouion imagakn a an nrva of 2 mon SPOT XS inDcmbr 88 and Dcmbr 8 n norrncor of na par of h vaor Gacir Tongu,

h auad ow ra rang from 9 o 5 m a

wih ongiudina rain a vau of - x aIn h ouhrn or of h i ongu inad, ow aof 5- m a and ongudna ran ra of8 x a av bn cacuad T vau of voc 8 m a and of ongudnarain ra .-.5 x 10 a) in ond par ofh ongu ar homognou in boh or h rifobrvd n norrn par of h ic ongu (g m o b nkd w voc drnc Sucbavour probab conqunc of an abrupcang in drcon of gacr ju bfor bcoming a

onguIngaion of urfa paam ow a, wid)wih ic hikn vau (imad b man of hg of urfac of c ongu abov a v,aumng droac qubrum a nabd cdcharg o b ad for h foowng c ongu:Campb (0 m a), Random Hi 00 I m a) andinr (00 km a) or h Campb and h

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ott Glologl tu n Nov y

l ul pt nd dg

I tongu n vg vloon o pont

k n a a

vaor 5 5 5

vg vloon 3ont

No pont )

n a a

u tongu I dhg0t 3

"

3Ak k a

45 4

Capb 4000 (33 140 20 240 20 77 779 74 040

Cark 14 0 5 12 5

rask 4 5

Sou ow (47 655 5 7 19 5 (97 494 30 9 12 30 12Nor ow (2 626 5 706 5 (40 136 30 30 30

arsn 5 1 5 5 5

ando Hs 5 5 545

Tnkr 1400 ( 50 5 90 5

I hlv

k

ansn c 4 5 5

fro 195-7 o 195

Hs Ga 70as 4 9 3s

ando His ic onus as sar of onguscoincids wi roundin in c discargcorsponds o a of acr vau of cdiscar of Capb Gacir is n in wi vausiad by Zanon (9 ong na par of viaor Gacir (Fig 2 so cknsss of ic avbn asurd by ans of radoco soundinEngar and ors s vaus ar os siad on ic onu akin i of

c fron abov sa v assung ydrosac quibriu Using wid ow ra and c icknss vaus,i as bn possib o assss ic dscar a a nubrof pons of vaor Gacir onu Capiad scion ic discar s aou k a

and dcrass k awa o 55 k a aou dwaaong ic ongu o 035 k a and abou rquarrs of way aong i o 030 k a Snc

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7 4

4 5

76 76 77 0063

u vton96-7 1972-

k

14 +5

95-5 195- a

056 59 12 x 10

orpoo of ic ongu s vr w consrvd ic discar oss us corrad pnonaof asa in n rra ova Ba ara avraaccuuaion vaus of aou 15 c a of warquivan Mng and Siragia 991 av bnasurd On basis of orpoogca obsrvaonswic sus ir vau of snow accuuaion nvaor Gacir onu an rra ova Ba ara wa assu a sno accuuaon of aou c a

war quvan Usin s snow accuuaion and cdiscarg vaus and surfac parars (wd owra c s possi o assss an avrag basa ngof approia -5 c a a as ua o snowaccuuaon vau

Clarke and LarenT c ongu of Cark Gacr oas wn Cap


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Fig 5 Schemetic reresentation o avid Gacier

Dgaski e Tonge egend ce derived fromsnowfa on the oating gacier and ice tonge 2 ea icethat reezes to the base the oating gacier and icetonge; 3: Sea ice; 4 Fow rate : Basa meting Basa reeing; 7 ce discharge; 8: bation indced bykatabatic winds 9 Snow accmation 0 Katabaticwinds

Th theory ha bee advaed by Rob () adexpaded by everal author (ew ad Perk, 8;

eki a oake, 1991. e eep ruao beeae oag par o av aer a e rgak eogue i rve b ee, aie waer ore a a reuof alt rejeto fro eaie produto. Kurt adBrowh (8) etiate that the Terra Nova Baypolya proue 0% of the ea e geeraed over theere o ea e

Nansen Ice Sheet

The Nae e Sheet ha a area o approatey800 k (Baro ad oher, a), ad harater

ze a i ro b araeri rif orpologie, wie orao o arge wege Fg ee or areue o te iere veote o e ow fro e eevead Preley glaer (Baro ad other a)Aalyi of the atellte age (Tabe I ad g. 3) adof the aeral photograph ha how hat betwee a 1 a ieberg o abou 10 k beae eaedaro a oer, 1991a a a bewee 19 a988 e e e reae i area b a vaue eua o eaua rate of area ireae due to e dharge(3 k a) The aua veote have bee aulatedover the average of year (Ladat I MSS SPOT

X 88 a 0 poit (able I The urfae velotireae bo a e e ro a e era poro ote ae e ee i poibe o reogze iereetor of the ie helf haratered by deret uralveloty. The portio of Nae e Sheet ed b theorther eor of Reeve laier ove fater tha bothoe e b e ouer eor o e ae gaer a bree aer (aro a oer, 11 a hi

Frezzotti Gacioogica st in erra Nova Bay

velot deree ould be related to the frto of thee hel agait ar Fla a expreible lad ao e ope o e e urae o e poro e b eeeve aer k a ree aer( k e thike of e ie frot a beeetated a about by ea of the heght of the el above ea level, auig hydrotat equlbru,a u e e arge a e ie fro abou06 k a Frezzoi, 199. Fro e aee ageFg i i poibe o oberve a abou 0% o ehelf area (approxate 0 k) ot of blue e(Baro ad other, a) Th a oequee of theablato idued by the katabat wd fro Reeve adrele vae rowi a Kurz, 8. eerra ova a area average vaue o urae abaoue b kaabai w o 0 a ave bee oe(Baroi, 90 Baroi a oter, a; peroalouato fro M. Meeghel) Coiderig theevalue t poble o alulae a urfae ablao o hee e o abou 01 k a Frezzo, 199.

HeUs Gae

Hell ate i a all e helf ore tha 0 k (g ).The outher ot porto of the e hef outh of theaue of e orer ege of exprebe la,o o a eao area abou 9 k wie e area aee b a rog pere kaabai wi wblow fro e eeve laer (rowi ad Kurz,8 Baroi 0 Baroi ad other, Ia). The ehef i fed b botto freeg (- a), a how baroi 10 aro a oer 1991 b a oueza oer 1991

1 2 -3 4Flw rateo 20 ma--

Fig Sbscene o SPO XS image /4 9ecember 988 in ase coor GB: 3 showingHes Gate Legend ce ront in 988 SPO XS;2 ce front in 95 TA 25) ceont in 955 TA 25 and 65) ow rate

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zott Glacologcal tuy n a Nova ay

Te aeie image (Fig. 6 ow a e ice ef ofHe Gae i divided ino ree ecor (weern cenraand astrn) by iccord morains (Baroni, ). Thwstrn and cntra sctors consist of ows from thNansn c Sht and from th southrn sops of thNorern Fooi wie e eaern ecor i fed by ocaaccumuaion of now. Te cenra ecor coni of wo

ow. Anayi and inerpreaion of e aeie image ofth ic shf, intratd with ochmica wors on th icand by aciooy (Baroni, Baroni and othrs,b Souce and oer ave made i poibeo dicriminae (becaue of e dieren pecra reponein e nearinfrared and e viibe band now (wie inFig. 6 gacier ce (bu), e ic of e ake (dar bu)and marin ic formd at th undrsid of th ic shf(rn) Th boundary btwn th marin ic andgacier ice we ideniabe on e aeie imas, iscondiioned by e abaion induced by e kaabaicwind. Auming a conan average wind abaion vaue

over e woe area of e ice ef e poiion of thboundary btwn th marin ic and th acir ic ine varou par depend on e dieren veociie of eow

From e rend of i boundary i i oberved a eveociie dimini from e cenra par oward e edgee cenra area with a hihr vocity, incuds thcntrawstrn ow and th astrn part of th wstrnow Th vocitis hav bn cacuatd by anayin thaeria poograp over an average of - year (TMA3 36 and a pon and ey are eween. and a (aroni and oer a. Tee

vaue are in accordance wi oe oained by Baroni() on th basis of th avaiab C 14 caibratd dats ofth shs coctd on th surfac of th ic sh

Te area of He Gae diinied y aou 6 kmbeween 6-7 and and y ome kmbeween and (Tabe and Fig 6: e oarduction was about .5 m (Baroni and othrs, I a).Accordin to Oromi () th ic shf Hs Gathas rtratd svra hundrd mtrs sinc whn ar opograpic kec map wa drawn y rieey(3 Taking ino accoun an ice dicarge of aou x a e ean annua o y iceerg caving

rans from 5 to 3.5 x m aovr th priod 5-88 urthrmor, considrin a consrvativ manabation rat aou cm a (Baroni ) th ic osta e ice ef urface i X m a. Te reuingoa ice o by iceberg and urcia aaion can eeimaed eween .3 and 3 x m a again anic dischar vau of x m a (Baroni andothrs a).

CONCLDING REMARKS

Th anaysis of satit imas and aria photoraphs ofTrra Nova Bay ara aowd us to charactri anddecrie ic shvs and ic tonus Abation andaccumuaion area a we a e paern of urciaow ave een idenied. Te dieren pecra reponeof e gacia urface a made i poibe o dicriinaeth abation aras from thos of accumuation and todirntiat various typs of ic. Comparison of dirnt

image and poograp aken a inerva of everayear a enaed e variaion in ie e veociie andth spradin oft main ic tonus and ic shvs to bassssd. By intratin ths data with thos of RS andof abation/accumuation, a numbr of ic dischar andboom meingfreeing paraeer ave been evauaedn addiion e imporance of e rong perien

kaabaic wind in e dynaic of e ice eve and icetonus of Trra Nova Bay is vidncd.Anaysis and intrprtation of th satit imas of

th ic efe Gae intratd with ochmica workon e ice and gacioogy (aroni aroni andoer b Souce and oer ave ade ipoie o dicriminae (Fig 6 du o thir dirntspctra rspons in th narinfrard and th visibbands snow, acir c, th ic of mt a and marinice formed a e ice ef-ocean inerface

Te anayi o e aeie image and aeriapoograp ow a beween 6-63 and 773

ere wa a denie decreae in ome of e area of e iceongue and t ic shvs (53 m for th AviatorGacier Tongue and -4km2 for th Nansn c Sht),werea ere wa an increae in e period beween7-73 and . An ecepion o i genera iuaioni e ma ice ef e Gae woe area diinied byl5 km beween 56-5 and According toOrombi () tis ic shf has rtratd svrahundrd mtrs sinc , whn a rst toporaphickec map wa drawn by rieey (3.

e cacuaed urface veociie of e ice ongue andof e ice eve area beween 3 m a (He Gae and

3 m a (Drygaki Ice Tongue Anayi fromth vocitis of th ic tonus shows that thy incrasfrom th roundin in to thir outr imit. Thongiudina rain rae vaue generay increae froe grounding ine o a or way pa e ar of e iceongue aer wic ey decreae oward e ouer imiTh ryasi c Tonu prsnts considrab atraspradin at th start oin from a width of 3 m insidth vay to about .5 m hafway aon th ic tonu.Te opening of rif in e ice ongue (Aviaor andrygaki and in e ice eve (Nanen i due o edieren veociy and ongiudina rain rae of e ow

that form ths acia bodisc dischar cacuatd for th acia bodis of th

Trra Nova Bay ara is btwn k a for thouern ow of e avid Gacier and x m afor He Gae. For e avid Gacier-rygaki ceTongue and for e Aviaor Gacier Tongue i a beenpossib to assss a numbr of basa mtin vaus (from to cm a) whi for avidryasi a bottomfrin of cm a ha bn assumd at ast qua toe urface abaion vaue induced y e kaabaicwind. Te preence of oo freeing in Terra Novaay aready poined ou y oer auor (Baron

Baroni and othrs a Baroni and othrs bSouch and othrs ) is du to th dp circuationbow th ic shvs and th ic tonus d by th dnsaine waer formed a e reu of a reecion from eaice producion (ewi and erkin, 6 Jenkin andoake ur and Browic ( eiae ath poynya of Trra Nova Bay casud by atabaticwinds producs of th sa ic nratd ovr th


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enire Ross Sea shef. Moreover, he acion of hekaaac wnd nduce a srong ablaon on he uraceo he gaca ode wh vaue a o rom urace oeween 015 m a ansen ce Shee an58 x 10 km a Hells Gae or he las named,alhouh he ice shelf is recein, he win ablaion is veimes reaer han he ice discharge a he ice c andrepreen 60-70% o he voume o ice o y he cehe eween 1956 and 988

AWM

h work ha een carred ou a par o he rogrammaaonae d Rcherche n Anarde (ALAARD and wa uppored nancay b A hrougha join research proram on Anarcic Earh Science wihhe Universiy of Siena ay The lacioloical researchis coordinaed by Pro Giuseppe Orombelli

REFERENES

Baroni, C 1990. The Hells Gae and Bacsairs Passageice sheves Vicoria Lan, Anarcica. Mem c. Ge!Ital.,, 1988, 23-144

aron C. M. Freo C. Graud and G rombelli199 a. ce ow and urca varaon nerred romsaellie imae an aerial phoograph analsis ofLarsen ice onue, Hells Gae an Nansen ice shelvesVicoria Land, Anarcica Mem Ge! Ita! ,69-80

aron C. . Senn and P acumin 1991b Oygenoopc compoon o ce ampe rom he e Gaeand ackar aage ce heve Vicoria an,Anarcica: evidence of boom freezng. Mem cGe!. Ital, , 45-48

Binschaler, R A and T A. Scambos. 199. Saeemagederved veocy ed on an Anarcc ce ream.Sciece, 5003, 242-246.

Borfecchia, F. and M Frezzoi. 1991. Saellie magemosaic of he Terra Nova Bay area Vicoria Land,Anarcica. Mem. c Gel Ital , 5153.

Bromwich, D H and D D Kurz. 198 Eperiences o

Sco' orhern ary: evdence or a reaonhpeween wner kaaac wnd and he erra ovaay poynya. lar Rec., 13, 137-146

Bromwich, D H and D D Kurz 1984. Kaabaic windforcin of he Terra Nova Ba polynya ] Gephys.es., C3, 3561-357

Drewry D]. ed. 1983 Atarctica glacilgical adgesical fli. Camrdge Unvery o CamrdgeSco oar Reearch nue

Engelhar, H., O. Schomburg and Thyssen. 1989Raioecho sounin in norh Vicoria Lan, Anarcica Gel ]ahr ehe E , 111-117.

Frezzoi, M 1992 Fucuaon o ce ongue and ceheve derved rom aee mage n erra ovaay area Vcora Land Anarcca. I Y, Y,ed. ecet prgress Atarctc earth scece Toyo, TerraScienic Company.

Holdsworh G 985. Some eecs of ocean currens andwave moon on he dynamc o oang gacerongue Atarct. Res Ser, , 25327.

retti Glacilgcal stu i erra Na Bay

Jacobs, S S 987 ce frons an icebergs in Ross anWedde ea. Atarct]. U S., 5, 91-94.

enkn A. and C. S. M. Doake. 1991. ce-oceanineracion on Ronne ce Shelf, An arcica. ]Gephys. es. CI, 791-813

Kurz, D D and D. H. Bromwich 983 Saellieobserved behavior of he Terra Nova Ba polna ].Gehs. Res. C4, 97179722

Kur D. D. and D. H romwch. 1985 A recurrngamophercay orced poynya n erra ova ay.Atarct. Res. Ser., , 77-20 .

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The accura rereces i the tet ad i this list is theressiili the authr t whm queries shuld e addressed

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Documents

Glaciological Study in Terra Nova Bay, Antarctica, Inferred From Remote Sensing Analysis