基于SPEI的西南农业区气象干旱时空演变特征
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1004-8227|25|7|1142-1149
ISSN: 1004-8227
Source: 长江流域资源与环境, Vol.25, Iss.7, 2016-01, pp. : 1142-1149
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Abstract