1- Navar Khel V.V.,A.A.Shaika and R.S.Ramshetti.,Dielectric properties of black soil with organic and inorganic matters at microwave frequency,Indian Journal of Radio and Space Physics, v.38, Apr.2009,p112.
2- Woodhouse I.H.,Introduction to Microwave Remote Sensing,Taylor and Francis group,p. 128,2006.
3- Ulaby F.,R.K.Moore and A.Fang,Microwave Remote Sensing:Active and passive,vol,III:Fromtheory to applications, Norwood. MA:Artech House,Inc.p.220,1986
4- Ibid[2]p.131.
5- Royer A.,K.Goita,J.Kohn and D.DeSeve,Monitoring Dry,Wet,and No-Snow Conditions from microwave Satellite observations,IEEE Geoscience and Remote Sensing Letters,v.7,No.4,p.670,Oct.2010.
6- Gogineni S.P.,Radar Backscatter from Summer and Riidged Sea Ice and the Design of Short Range Radars,Ph.D.Dissertation,the university of Kansas,Lawrence,KS.1984.
7- Troy B.E.,J.P.Hollinger,R.M.Lerner and M.M. Wisler, Measurement of the Microwave Properties of Sea Ice at 90 GHz and Lower Frequencies,J.Geophys.Res.V.86,p.4283,1981.
8- Koskkinen J.,Snow Monitoring Using Microwave Radars,Helsinki university of technology Laboratory of Space technology ESPOO,Jan.2001.
9- Kim Y.S.,Theoretical and Experimental Study of Radar Backscatter from Sea Ice, Ph. D. Dissertation,the university of Kansas, Lawrence,KS.1984.
10- Ibid [3] p.231.
11- Boisserie M.,et al., Evaluation of soil Moisture in the Fsuclm using two reanalyses(R2and Era 40) and in-situ observations, J.Geophysics Res.Jun.2005.
12- Le Toan T.,Active Microwave Signatures of Soil and Corps: Significant Results Of Three Years Of Experiments, IEEE Int. Geosci. Remote Sensing Symp.(IGARSS 82) Digest, vol.I, Munich,FRG, 1-4 June 1982.
13- Low A.,R.Ludwig and W.Mauser,Use of Microwave remote Sensing data to monitor spatio temporal Characteristics of surface soil moisture at local and regional Scales, Advances in Geosciences,v.5,p. 49, 2005.
14- Ibid[2]p.133.
15- Violette,E.J.,R.H.Espeland,and F.Schwering,Vegetation Loss Measurements at 9.6,28.8 and 57.6 GHz through a pecan Orchard in Texas, CECOM-83-2,U.S.Army Communications-Electronics Command, Fort Monmouth,NJ,March 1983.
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