{"title":"Estimation of Natural Groundwater Recharge in Altun Kopri Basin NE Iraq","authors":"Mustafa Akbar, Aysar Al-Shama’a","doi":"10.46717/igj.56.2f.24ms-2023-12-30","DOIUrl":null,"url":null,"abstract":"The main objectives of the current study are to classify and assess the climate, estimate the actual evapotranspiration and runoff, determine the soil water budget, and estimate groundwater recharge. The climate of the study area is classified as Humid to Moist and Moist to Subarid. Evapotranspiration was determined by using the Thornthwaite method, with its annual value equal to 1342.68 mm. The Runoff was estimated by using the simple and widely used method of Soil Conservation Service Curve Number, the total runoff was 127.6 mm, which represents 36.44% of total rainfall precipitation. The groundwater recharge was estimated according to the modified Thornthwaite-Mather soil water budget, which equals 58.6 mm and represents 16.74 % of the total annual precipitation. The quantity of renewal groundwater is about 47.88 MCM.","PeriodicalId":14847,"journal":{"name":"Iraqi Geological Journal","volume":"11 2","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2023-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Iraqi Geological Journal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.46717/igj.56.2f.24ms-2023-12-30","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Earth and Planetary Sciences","Score":null,"Total":0}
引用次数: 0
Abstract
The main objectives of the current study are to classify and assess the climate, estimate the actual evapotranspiration and runoff, determine the soil water budget, and estimate groundwater recharge. The climate of the study area is classified as Humid to Moist and Moist to Subarid. Evapotranspiration was determined by using the Thornthwaite method, with its annual value equal to 1342.68 mm. The Runoff was estimated by using the simple and widely used method of Soil Conservation Service Curve Number, the total runoff was 127.6 mm, which represents 36.44% of total rainfall precipitation. The groundwater recharge was estimated according to the modified Thornthwaite-Mather soil water budget, which equals 58.6 mm and represents 16.74 % of the total annual precipitation. The quantity of renewal groundwater is about 47.88 MCM.
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