Assessment of groundwater salinity risk using kriging methods: A case study in northern Iran
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- 作者：Afshin Ashrafzadeha ; ashrafzadeh@guilan.ac.ir" class="auth_mail" title="E-mail the corresponding author ; Fateme Roshandela ; Mohammadreza Khalediana ; Majid Vazifedousta ; Mojtaba Rezaeib
- 关键词：Ordinary kriging ; Cokriging ; Indicator variables ; Guilan Province
- 刊名：Agricultural Water Management
- 出版年：2016
- 出版时间：December 2016
- 年：2016
- 卷：178
- 期：Complete
- 页码：215-224
- 全文大小：2322 K
文摘
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Groundwater salinity maps were obtained using ordinary kriging and ordinary cokriging.
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Ordinary cokriging produced better estimates of groundwater salinity than ordinary kriging.
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Probability maps of groundwater salinity were obtained using indicator cokriging.
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About 25% of paddy fields of Guilan Province in northern Iran could be faced with possible rice yield reduction.
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