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Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE), United States
|Site Latitude||64° 59' 10.68" N (64.98630 °N)|
|Site Longitude||147° 35' 52.80" W (-147.59800 °E)|
|Site Elevation||611.4 masl|
|Dataset||co2_crv_tower-insitu_1_allvalid-17magl (GLOBALVIEW identifier CRV_01C3)|
|Assimilated||Yes Switch to unassimilated subset|
|Selection scheme||all valid hourly data from 17 magl|
|Data provider||Colm Sweeney, NOAA ESRL GMD, 325 Broadway GMD-1, Boulder, CO 80305-3328, United States, and Arlyn Andrews, NOAA ESRL GMD, 325 Broadway GMD-1, Boulder, CO 80305-3328, United States, and John B. Miller, NOAA/ESRL, R/GMD 1, 325 Broadway, Boulder, CO 80305-3328, United States, and Kathryn McKain, NOAA ESRL GMD, 325 Broadway R/GMD-1, Boulder, Colorado 80305-3328, United States|
|Partner(s)||Charles Miller, Jet Propulsion Lab, 4800 Oak Grove Drive, Pasadena CA 91109, United States, and Larry Ledlow, United States|
|Download these data via ObsPack.|
(a) Time series of CO2 mole fractions, both simulated and observed, at this CarbonTracker observation site. In the top panel, measured mole fractions (open black circles) are plotted along with CarbonTracker simulated values (filled light blue circles). Any observations that CarbonTracker can not assimilate successfully are shown as filled red 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. Also shown in the lower panel is the imposed model-data mismatch ("MDM", orange lines), which in part defines the rejection criterion (see documentation). Any model first guess value which is more than three times the MDM away from zero, after accounting for potential adjustments to the simulated value due to optimizing fluxes, is rejected by the optimization system. Rejected values, if there are any, are shown with filled red circles.