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Aircraft at CAR - Cessna 210	Map of Briggsdale, Colorado

Inlet at CAR fixed to the underside of the right wing

Samples are collected over flat, mixed plains and agricultural land near Briggsdale in northeastern Colorado. The Carbon Cycle group’s longest vertical-profile record comes from this area, with sample collection beginning in November 1992 during the initial development and testing phase of the automated flask sampling system. Sampling flights were originally conducted over Carr, Colorado, but in December 2004 the site was moved 40 miles southeast to Briggsdale to be in proximity to an Ameriflux tower. Regular sampling flights continue to be flown, but CAR also acts as the test site for new and modified sampling equipment. Flights at CAR are conducted by John Weisbart, ATP, of Weisbart Aircraft Services, LLC.

CAR Site Data

Figure 1: Annual Climatology is a compilation of all Carbon Dioxide (CO2) time series data that has been collected with the Mauna Loa (MLO) trend removed. The Historical profile includes every CO2 measurement (excluding flagged data) for each month, at each altitude and has been binned to get the monthly average.

Figure 2: Annual Climatology is a compilation of all Carbon Monoxide (CO) time series data that has been collected with the Mauna Loa (MLO) trend removed. The Historical profile includes every CO measurement (excluding flagged data) for each month, at each altitude and has been binned to get the monthly average.

Figure 3: Annual Climatology is a compilation of all Sulfur Hexafluoride (SF6) time series data that has been collected with the Mauna Loa (MLO) trend removed. The Historical profile includes every SF6 measurement (excluding flagged data) for each month, at each altitude and has been binned to get the monthly average.

Figure 4: Annual Climatology is a compilation of all Methane (CH4) time series data that has been collected with the Mauna Loa (MLO) trend removed. The Historical profile includes every CH4 measurement (excluding flagged data) for each month, at each altitude and has been binned to get the monthly average.

Figure 5: Annual Climatology is a compilation of all Nitrous Oxide (N2O) time series data that has been collected with the Mauna Loa (MLO) trend removed. The Historical profile includes every N2O measurement (excluding flagged data) for each month, at each altitude and has been binned to get the monthly average.