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ARS Home » Plains Area » Lubbock, Texas » Cropping Systems Research Laboratory » Wind Erosion and Water Conservation Research » Research » Publications at this Location » Publication #268123

Title: Incorporation of Hourly Weather Input Data to Cotton2K

item Booker, Jill
item Lascano, Robert
item BOOKER, JON DEAN (JD) - Texas Tech University

Submitted to: National Cotton Council Beltwide Cotton Conference
Publication Type: Abstract Only
Publication Acceptance Date: 10/15/2010
Publication Date: 1/7/2011
Citation: Booker, J.D., Lascano, R.J., Booker, J. 2011. Incorporation of Hourly Weather Input Data to Cotton2K. National Cotton Council Beltwide Cotton Conference. January 4-7, 2011, Atlanta, Georgia. p. 158-165.

Interpretive Summary:

Technical Abstract: The COTTON2K (C2K) model is a simulation model that is well adapted to simulate cotton growth and development and lint yield in dry climates in part due to the algorithm used to calculate crop evapotranspiration (ET). However, earlier versions of C2K interpolated hourly values of air temperature (Ta), humidity (RH), wind-speed (Uz) and shortwave irradiance (Rg) from corresponding measured daily values of Ta, RH, Uz and Rg. Given the increasing number of weather networks and stations that record hourly values of Ta, RH, Uz and Rg it is now possible to use these variables directly as input in models such as C2K. An updated version of C2K was modified to handle hourly input values of Ta, RH, Uz and Rg decreasing the amount of weather parameterization with the expectation that it will be suited and more readily adopted by users in the Southern High Plains of TX. Specific examples of modeling efforts using the updated version of C2K are presented and compared with results from the previous version of the model.