CAJ | 학술논문

收集河南省各县市的气象资料与土地利用、工农业生产等统计数据，利用Penman模型与河南省用水定额等方法计算出各县市的生态用水各项分量，利用GI S 等工具分析其空间变异特征。结果表明，河南省生态用水平均为82488．08×104 m3，但变异系数较大，用水量较大的地区主要集中在南部、西部山区；生态用水密度平均为59．10×104 m3/km2，其变异系数较小；生态用水量主要由生态环境需水量与水体蓄水量组成，与土地利用方式、气候条件、植被状况、国土面积等因素有关；排序分析表明，河南省生态用水大致可以分为用水量大但密度较小、用水量小但密度较大、用水量与密度均小3个区域。
수집하남성각현시적기상자료여토지이용、공농업생산등통계수거，이용Penman모형여하남성용수정액등방법계산출각현시적생태용수각항분량，이용GI S 등공구분석기공간변이특정。결과표명，하남성생태용수평균위82488．08×104 m3，단변이계수교대，용수량교대적지구주요집중재남부、서부산구；생태용수밀도평균위59．10×104 m3/km2，기변이계수교소；생태용수량주요유생태배경수수량여수체축수량조성，여토지이용방식、기후조건、식피상황、국토면적등인소유관；배서분석표명，하남성생태용수대치가이분위용수량대단밀도교소、용수량소단밀도교대、용수량여밀도균소3개구역。
Based on meteorological data,land utilization,statistic data of industrial and agricultural production,by using the method of water quota and the Penman model,this paper calculated the ecological water amount and its compo-nent of Henan Province,and then analyzed its spatial variation by GIS.The result showed that,the average ecological water amount was 82 488.08 ×104 m3 ,but the coefficient of variation was high.A larger value appeared in the Southern and Western mountainous region.The average ecological water density was 59.10 ×104 m3/km2 ,and coefficient of varia-tion was smaller.The ecological water amount was mainly composed of ecological demanded water and water body stor-age,which relative to land utilization,meteorological condition,vegetation statue and regional area.The cluster analysis result indicated that ecological water of Henan Province could be divided into 3 regions,which were higher amount with lower density,lower amount with higher density,and lower amount with lower density,respectively.