Marsh Variables for Matlab a=Marsh_data Time=a(:,1); %Time WS=a(:,2); %Wind Speed (m s-1) WD=a(:,3); %Wind direction (degrees) Ustar=a(:,4); %U star (m s-1) SigW=a(:,5); % (m s-1) H=a(:,6); %Sensible Heat Flux (W m-2) E=a(:,7); %Evapotranspiration (mmol m-2 s-1) NEE=a(:,8); %Net Ecosystem Exchange of CO2 (umol m-2 s-1) H20vp=a(:,9); %Water Vapor (mmol mol-1) AirT=a(:,10); %Air Temp from NCDC (oC) AirTm=a(:,11); %Air Temp from Sonic (oC) Press=a(:,12); %IRGA pressure (kPa) flow=a(:,13); %IRGA flow (slpm) Ts1=a(:,14); %Soil T2 (oC) Ts2=a(:,15); %Soil T2 (oC) Ts3=a(:,16); %Soil T3 (oC) Ts4=a(:,17); %Soil T4 (oC) Ts5=a(:,18); %Soil T5 (oC) PARr=a(:,19); %Reflected PAR (umol m-2 s-1) PARi=a(:,20); %Incoming PAR (umol m-2 s-1) Rnet=a(:,21); %Net Radiation (W m-2) SWr=a(:,22); %Reflected Shortwave (W m-2) SWi=a(:,23); %Incoming Shortwave (W m-2) StdCO2=a(:,24); %Stddev of CO2 CO2con=a(:,25); %CO2 concentration (umol mol-1) Ppt=a(:,26); %Precip from NCDC (inches min-1) NOTES: %Data from 145-315o wind direction does not represent Marsh for Tower 1 and 2 %Data with low std dev (<4) of CO2 is bad %Data with low flow rate bad (<5) %Data with u*<0.20 m s-1 is bad