Coordinates, start dates, and calibration info for well-calibrated CO2 sites
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Site |
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Latitude |
41.2762 N |
40.7919 N |
41.1386 N |
43.5263 N |
44.0910 N |
|
Longitude |
89.9724 W |
92.8775 W |
96.4559 W |
95.4137 W |
91.3382 W |
| Elevation (m above MSL) | 247 | 286 | 358 | 469 |
251 |
|
Installation date |
26-Apr-07 |
27-Apr-07 |
30-Apr-07 |
1-May-07 |
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|
Sampling heights |
30/140 m AGL 100/460 ft AGL |
30/110 m AGL 100/360 ft AGL |
30/122 m AGL
100/400 ft
AGL |
30/110 m AGL 100/360 ft AGL |
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|
Total tubing lengths (ft) |
130/490 |
170/430 |
150/450 |
145/405 |
210/510
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Instrument |
CADS05 |
CADS06 |
CADS07 (as of 16-May-07) CADS01 (30-Apr-07 through 16-May-07) |
CADS09 (as of 31-Oct-07) CADS01 (29-Jun-07 through 31-Oct-07)
CADS03 |
CADS10 (as of 31-Oct-07) CADS08 (29-Jun-07through 31-Oct-07) |
|
Reference tank 1 |
CAO6495 / 360.84 ppm / 1875 psi |
CAO6455 / 361.00 ppm / 1950 psi |
CAO6485 / 361.82 ppm / 2000 psi |
CAO6313 / 337.76 ppm / 1650 psi (1600 psi as of 29-Jun-07) |
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|
Reference tank 2 |
CAO6499 / 395.48 ppm / 2050 psi |
CAO6402 / 396.14 ppm / 1750 psi |
CAO6357 / 417.40 ppm / 1950 psi |
CAO6327 / 364.16 ppm / 1875 psi (1800 psi as of 29-Jun-07) |
CAO2809 / 422.89 ppm / 1050 psi |
|
Initial calibration date |
8-Mar-07 |
8-Mar-07 |
8-Mar-07 |
8-Mar-07 (for CADS03) 13-Jun-07 (for new CADS01) |
24-Jun-07 |
|
Subsequent calibration date(s) |
22-Apr-07 |
22-Apr-07 |
22-Apr-07 |
22-Apr-07(for CADS03) 24-Jun-07 (for new CADS01/ no change in cal) |
*In addition to the Ring 2 sites, Penn State also collects well-calibrated CO2 measurements in support of AmeriFlux. The Penn State Ameriflux sites are part of what is intended to be a long-term network. There are also additional well-calibrated sites throughout the country.