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Aircraft at SGP - Cessna 337C Turbo	Map of Southern Great Plains, Oklahoma

Inlet at SGP is on the left side of the planes body just behind the pilot’s door

Samples are collected over relatively flat, agricultural land of the Southern Great Plains region of north central Oklahoma. Sampling is conducted in collaboration with Lawrence Berkeley National Laboratory and the U.S. Department of Energy’s Atmospheric Radiation Measurement (ARM) Program / Cloud and Radiation Testbed. Limited sample collection via aircraft at SGP started in September 2002 using a modified manual sampling method. Sample collection with the current programmable flask packages at SGP started in March 2006.

SGP 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.