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西藏河谷地区农业气候区划分探讨
张 猛1, 杨改河2, 王晓君2
1.西北农业大学 园艺系;2.西北农业大学 农学系
摘要:
选用11个影响作物生长发育的气候因子,利用16个气象台站约20年的平均气象资料,分别采用华德法、重心法、类平均法和可变类平均法进行系统聚类,将西藏河谷地区农业气候区分为5个农业气候类型,并对其区划结果进行了讨论。
关键词:  农业气候区,农业区划,聚类分析,西藏河谷地区
DOI:
分类号:S162.2
基金项目:西藏“一江两河”农业区域综合开发项目的部分内容
Agricultural Climatic Region Classification in the River Valley Area in Tibet
Zhang Meng,Yang Gaihe, Wang Xiaojun,Zhang Meng,Yang Gaihe, Wang Xiaojun,Zhang Meng,Yang Gaihe, Wang Xiaojun
Abstract:
Agricultural climatic region in the river valley area in Tibet was classified into 5 patterns on the basis of 11 climatic factors which affected the crop growth, systematic collection and analysis of about 20-year climatic references from 16 wheather stations with the methods of Ward's,Centroid,Group average linkage and Flexible group average linkage. Also the classification results were discussed.
Key words:  agriculturalclimatic region, agricultural classification, collective analysis , the river valley region in Tibet