License and Readme added

README.md

+#__SPARSE Model__
+----------------
+Soil Plant Atmosphere Remote Sensing Evapotrasnpiration model.
+
+License:
+--------
+This is free software under the GNU General Public License v3.0. 
+See https://www.gnu.org/licenses/gpl-3.0.en.html for details or the LICENSE.txt file
+
+
+Author:
+------- 
+Gilles Boulet
+CESBIO UMR5126, (CNRS,UPS,CNES,IRD)
+13 avenue du Colonel Roche
+31401 Toulouse cedex 9
+http://www.cesbio.ups-tlse.fr/
+
+Contact:
+-------- 
+gilles.boulet@ird.fr
+
+Acknowledgments: 
+----------------
+The present study received support from the CNES (Centre National d’Etude Spatiale, France).
+
+Reference for the model:
+------------------------- 
+Boulet, G., Mougenot, B., Lhomme, J.P., Fanise, P., Lili-Chabaane, Z., Olioso, A., Bahir, M., Rivalland, V., Jarlan, L., Merlin, O., Coudert, B., Er-Raki, S., Lagouarde, J.P., 2015. The SPARSE model for the prediction of water stress and evapotranspiration components from thermal infra-red data and its evaluation over irrigated and rainfed wheat. Hydrol. Earth Syst. Sci., 19(11): 4653-4672.
+
+Full-Text: http://www.hydrol-earth-syst-sci.net/19/4653/2015/hess-19-4653-2015.pdf
+
+Summary:
+--------
+
+The SPARSE model is coded in Matlab language; it computes the energy budget components for two sources (soil and vegetation) from surface (Leaf Area Index, vegetation height) and meterological forcing data.
+
+Installation requirements:
+--------------------------
+
+- respect the basic principles of GPL v3 licence.
+		https://www.gnu.org/licenses/gpl-3.0-standalone.html
+- contact the author if bugs are founded :
+	mailto:gilles.boulet@ird.fr 
+
+
+Example file:
+--------------
+
+main_test.m main sample file to run the model coded as funtion SPARSE.m