STN/IMPROVE Monitoring Intercomparison Sites:Oct. 2001 – Dec. 2003
Mt. Rainier NPS
Phoenix
TontoNational Monument
Haines Point, NPS
Wash. DC
Official or designated STN site, host to IMPROVE samplerOfficial IMPROVE site, host to STN sampler
Anderson RAAS 401 STN Samplers
Met One SASS STN Samplers
URG MASS STN Samplers
SeattleBeacon Hill
USDA FS Dolly SodsWilderness
Operated According to Each Network’s Protocols
6 City CSN/IMPROVE Comparison
IMPROVE/CSN Organic Carbon
parm=OC (Imp or STN)
PLOT Beacon Hill (urban) Beacon Hill Deming LineMt. Ranier (rural) Mt. Ranier Deming Line
IMP
RO
VE
0
3
6
9
12
15
STN
0 3 6 9 12 15
parm=OC (Imp or STN)
PLOT Phoenix (urban) Phoenix Deming LineTonto (rural) Tonto Deming Line
IMP
RO
VE
0
5
10
15
20
STN
0 5 10 15 20
parm=OC (Imp or STN)
PLOT Haines Point (urban) Haines Point Deming LineDolly Sods (rural) Dolly Sods Deming Line
IMP
RO
VE
0
5
10
15
20
STN
0 5 10 15 20
URG MASS – 16.7 LPM; IMPROVE ~22 LPM; Other STN 6-7 LPM
IMPROVE OC un-adjusted for blank
IMP = 0.861STN – 1.35; R2 0.93IMP = 0.742STN – 0.437; R2 0.85
IMP = 0.758STN – 0.446; R2 0.94IMP = 0.804STN – 0.283; R2 0.64
IMP = 1.09STN – 0.052; R2 0.97
IMP = 0.915STN – 0.08; R2 0.96
URG
MetOne
Andersen
CSN Blanks
• “Old” CSN Blanks – all sites– 3% Trip Blanks – 10% Field Blanks (momentarily exposed)
• Decreased to 5% May 2007
• “New” CSN Blanks – all sites– 3% Trip Blanks– 10% Field Blanks– 30% Backup Quartz (QBQ)– Field Blank collected on same day as QBQ