%0 Dataset
%T Heihe River Integrated Remote Sensing joint experiment: Li-6400 photosynthesis observation data set in Yingke oasis, huazhaizi desert and Linze grassland intensive observation area
%J National Cryosphere Desert Data Center
%I National Cryosphere Desert Data Center(www.ncdc.ac.cn)
%U http://www.ncdc.ac.cn/portal/metadata/d342768f-11cc-4254-9b58-223d5c3d907b
%W NCDC
%R 10.12072/ncdc.NIEER.db1756.2022
%A Zhou Mengwei
%A Li li
%K Photosynthetic effective radiation;photosynthesis;Li-6400 photosynthetic instrument;vegetation;ground remote sensing
%X This data set is measured by Li-6400 photosynthetic instrument in Yingke oasis, huazhaizi desert and Linze grassland intensive observation area.Measurement parameters:Main parameters measured by Li-6400 photosynthetic instrument: co2r_ µ ml: CO2 concentration in reference chamber (µ mol-1); CO2S_ µml：CO2S_ µml；     H2OR_ MML: H2O concentration in reference chamber (mmol-1); H2OS_ MML: H2O concentration in sample chamber (mmol-1); Flow_ CV%：Flow_ µ ml (%) coefficient of variation; RH_ R_%： Relative humidity of reference room (%); RH_ S_%： Relative humidity of sample room (%); Td_ R_%： Dew point temperature of reference chamber (c); Td_ S_%： Dew point temperature of sample chamber (c); Prss_ KPa: atmospheric pressure (kPa); ParIn_ µ M: effective radiation of photosynthesis in leaf chamber (µ mol m-2 s-1); c: Effective radiation of photosynthesis in leaf chamber (µ mol m-2 s-1); BLC_ Mol: total blade edge layer conductance (mol m-2 s-1); Tblock°C：c； TAIR ° C: temperature of sample chamber (℃); Tleaf ° C: blade temperature (℃); HH: mm: SS: real time clock; Program: automatically measure program status; CHPWMF：Status word（summary of line J）；      Battery: battery voltage (V); CO2: CO2 irgas status; H2O: irgas status; Pump: pump status; Flow: flow rate controller status; Mixr: CO2 mixer status; Fan: fan status of blade chamber; Program: display the status of automatic measurement program; ProgPrgs：AutoProgram step counter；      FwMxCrLp：Numerical summary of the four stability flags；     totalCV% ：See totalCV% under E above；        CRagc_ mv：Reference CO2 AGC (automatic gain control) signal，in mV；     CSagc_ mv：Sample CO2 AGC signal；       HRagc_ mv：Reference H2O AGC signal；     HSagc_ mv：Sample H2O AGC signal。Date and place of measurement:Discontinuous observation date:2008-05-202008-05-242008-05-282008-05-302008-06-042008-06-162008-06-292008-07-072008-07-11, in conjunction with various satellites and flight synchronization, photosynthesis rate and other photosynthetic re