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Park Falls, Wisconsin, United States
|Site Latitude||45° 56' 42.36" N (45.94510 °N)|
|Site Longitude||90° 16' 23.52" W (-90.27320 °E)|
|Site Elevation||472.0 masl|
|Dataset||co2_lef_tower-insitu_1_allvalid-396magl (GLOBALVIEW identifier LEF_01C3)|
|Assimilated||Yes, but showing unassimilated subset Switch to assimilated subset|
|Selection scheme||all valid hourly data from 396 magl|
|Data provider||Arlyn Andrews, NOAA ESRL GMD, 325 Broadway GMD-1, Boulder, CO 80305-3328, United States, and Peter Bakwin, United States|
|Partner(s)||Ken Davis, Department of Meteorology, The Pennsylvania State University, University Park, PA 16802, United States, and Ankur Desai, United States, and Dan Baumann, United States|
|Download these data via ObsPack.|
(a) Time series of CO2 mole fractions, both simulated and observed, at this CarbonTracker observation site. Vertical black line at March 18th, 2017 marks the beginning of CT-NRT.v2019-2 period. Prior to this date results from CT2017 are plotted. In the top panel, measured mole fractions (filled black circles) are plotted along with CarbonTracker simulated values (filled light blue circles).
(b) The time series of model residuals--the difference between the simulated and measured mole fractions--shown with dark green filled circles. These residuals should be uncorrelated in time, unbiased (i.e., have a mean of zero), and distributed normally.
(c) Summary statistics for model residuals from to . Residuals are defined as simluated values minus observed values. "Bias" is the mean of the residuals; "std. dev." is the standard deviation, and RMSE is root-mean-square error. All quantities are in ppm of CO2. The time period over which these quantities are computed is set by the graphs (a) and (b).