Canopy Reflectance at the Oklahoma ARM-CART Research Site
Overall Summary


Home What's New Methodology 1998 Summary 1999 Summary 2000 Summary Overall Summary ASA Poster OK Flux Site

 

Wheat Site (36.76 N, 97.15 W)

Year

Day of Year Date Apparent Solar Zenith Angles Wind Direction & Speed LAI fPAR NDVI Fc
1998 133 May 13, 1998 55, 40, 35, 25, 18 - .63
148 May 28, 1998 49.5, 45, 35, 25 - .61
1999 84 March 25, 1999 45, 55 1.732
109 April 19,1999 55, 45, 35 3.461 .077
128 May 7, 1999 55, 45, 35, 25 3.726
138-139 May 18-19, 1999  25, 35, 45, -55 3.074
146 May 26, 1999 25, 35, 45, 55 2.966
226 Aug. 14, 1999 Soil: 55, 45, 35, 25 -
2000 98 April 7, 2000 35, 45, 55 2.207 - - -
105 April 14, 2000 35, 45, 55 2.648 .064 .174 -.066
131 May 10, 2000 55, 45, 35, 25 3.072 .299 .728 .811
Tall Grass Prairie (36.93 N, 96.68 W)

Year

Day of Year Date Apparent Solar Zenith Angles Wind Direction & Speed LAI fPAR NDVI Fc
1998 148 May 28, 1998 28, 35, 45, 55 1.82 .52
174 June 23, 1998 15, 25, 35, 45, 55 2.83 .65
198 July 17, 1998 53, 45, 35, 25 2.48 .81
228 August 16, 1998 55, 45, 35, 25   2.17 .85    
246/247 September 3/4,1998 Canopy: 35, 45, 55 

Soil: 35, 45, 55

2.58 .79
280 October 7, 1998 55, 45 4.08 .85
1999 109 April 19, 1999 35, 45, 55 - .077 .3215 -.020
127 May 7, 1999 55, 45, 35, 25 .591 .180 .6415 .266
138 May 18, 1999 55, 45, 35, 25 1.008 .321 .7703 .863
184 July 3, 1999 25, 35, 45, 55 3.115 .794 .7908 .706
194 July 13, 1999 Canopy: 55, 45, 35, 25, Solar Noon 3.552 .808 .7863 .826
Soil: 25, 35, 45, 55
225 August 13, 1999 55, 45, 35, 25 3.611 .808 .7220 .512
274 October 1, 1999 55, 45 3.705 - - .168
2000 132 May 11, 2000 25, 35, 45, 55 1.99 .304 .692 .867
149 May 28, 2000 55, 45, 35, 25 2.54 .470 .718 1.039
160 June 8, 2000 15, 25, 35, 45, 55 3.36 .503 .713 .766
188-189 July 6-7, 2000 188: 25, 35

189: 55, 45, 35

3.86 .629 .702 .927
214 August 1, 2000 Canopy: 55, 45, 35, 25

Soil: 25, 35

 

Copyright 1998-2000.

Information contacts:
Dr. Elizabeth Walter-Shea: ewalter-shea1@unl.edu or 402-472-1553 or 402-472-3679
Mr. Mark A. Mesarch: mmesarch1@unl.edu or 402-472-5904

School of Natural Resource Sciences; University of Nebraska-Lincoln
246 LW Chase Hall
Lincoln, NE 68583-0728