atmos:citation:research:cpctimeadjustment
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atmos:citation:research:cpctimeadjustment [2009/06/19 20:22] – aymieoliver | atmos:citation:research:cpctimeadjustment [2020/01/29 17:25] (current) – external edit 127.0.0.1 | ||
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+ | ====== CPC Time Adjustment ====== | ||
+ | ===== Explanation ===== | ||
+ | Using CPlot to compare various concentrations measured by different instrumentation for the Saudi Spring09 flight data (as shown in Fig. 1), it was noted that there were similar patterns in spikes from the instrumentation. From this observation, | ||
+ | {{: | ||
+ | **Fig. 1** Time series from the April 2, 2009 flight during aircraft circling flight below cloud base while burning hygroscopic flares. | ||
+ | |||
+ | ===== Revisions ===== | ||
+ | |||
+ | To take this time lag into consideration, | ||
+ | * create_cpc_header.pro | ||
+ | * cpc.pro | ||
+ | * constants.pro | ||
+ | * N825ST_constants.pro | ||
+ | |||
+ | ===== Examples of Adjusted Data ===== | ||
+ | {{: | ||
+ | **Fig. 2** Time series from the April 2, 2009 flight including the CPC time lag adjustment. CPC Conc (Black) PCASP Totals(Red) |