The Relationship between Surface Soil Moisture with Real Evaporation and Potential Evaporation in Iraq

The Relationship between Surface Soil Moisture with Real Evaporation and Potential Evaporation in Iraq



Dr. Osama T. Al-Taai, Safa H. Hadi



The aim of this research is to determine the
relationship between surface Soil Moisture (SSM) of both Real
Evaporation (E) and surface Potential Evaporation (SPE) for thirty years
during the period of (1985-2014) for the eight stations (Sulaymaniya,
Mosul, Tikrit, Baghdad, Rutba, Kut, Nukhayib, Basrah) in Iraq, from
(NOAA) and taking advantage of some statistics such as the Simple Linear
Regression (SLR) and the Spearman Rho test. Calculated the monthly
average for Soil Moisture, Real Evaporation and Potential Evaporation,
and found to increase the values of SPE in hot months and decreased in
cold months while opposite to SM There was a strong inverse relationship
between them, where the correlation coefficient was in Sulaymaniya
-0.91, in Mosul -0.89, in the Rutba -0.92, in Tikrit -0.89, in Baghdad
-0.89, in Nukhayib -0.89, in Kut -0.87, and in Basrah -0.83, and there
is a high correlation in stations (Basrah, Kut, Nukhayib, and Rutba),
while there is an average correlation in the stations (Baghdad and
Tikrit), and there is low correlation in the stations (Sulaymaniya,
Mosul), we also note an inverse correlation between RE and PE, where
there is a low correlation in Sulaymaniya and medium correlation in the
Mosul and Rutba stations, and there is a high correlation in the
stations (Tikrit, Baghdad, Nukhayib, Kut, and Basrah). 



10.22161/ijeab/2.2.56



ijeab.com/upload_document/issue_files/56 IJEAB-APR-2017-36-The Relationship between Surface Soil Moisture.pdf



ijeab.com/submit-paper/

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