本文關(guān)鍵詞：基于水足跡理論的河南省水資源利用評價(jià)　出處：《水土保持研究》2015年01期 　論文類型：期刊論文

  更多相關(guān)文章： 水足跡 水資源評價(jià) M-K突變檢驗(yàn) 系統(tǒng)聚類法 河南省

【摘要】：水足跡可從人類產(chǎn)品消費(fèi)量和消費(fèi)模式角度衡量區(qū)域水資源利用效率。近年來河南省水資源匱乏狀況日漸加劇,為使決策者對河南省水資源利用狀況有一個(gè)清晰的認(rèn)識,基于水足跡理論,運(yùn)用M-K突變檢驗(yàn)和系統(tǒng)聚類法對河南省水足跡結(jié)構(gòu)、效益和生態(tài)安全三方面在時(shí)間及空間維度進(jìn)行綜合評價(jià)。結(jié)果表明:河南省水足跡呈增加趨勢,在2006年發(fā)生突變,2009年達(dá)到1 382億m3,內(nèi)部水足跡起決定作用;水足跡增長超出了省內(nèi)水資源負(fù)荷,2003年以后水資源超采現(xiàn)象更加突出;河南省水資源消耗量增大的同時(shí)水資源利用效率也有所提高。全省各地市水資源利用的空間差異明顯,駐馬店和周口水資源利用效率很低,水資源消耗總量最大;鄭州、三門峽和洛陽的水資源利用效率較高;駐馬店、商丘的水資源依賴度最小;漯河、許昌水資源匱乏指數(shù)最大的同時(shí)水資源依賴度卻較低,水資源超采嚴(yán)重。為了改變水資源利用效率低、超采嚴(yán)重的現(xiàn)狀,河南省各地需要加強(qiáng)水資源的合理配置和高效利用。
[Abstract]:The water footprint can be used to measure the efficiency of regional water resources utilization from the perspective of human consumption and consumption patterns. In recent years, the scarcity of water resources in Henan Province has become increasingly serious. In order to make the decision-makers have a clear understanding of the situation of water resources utilization in Henan Province, based on the water footprint theory, M-K mutation test and systematic clustering method are used to analyze the structure of water footprint in Henan Province. The results showed that the water footprint of Henan Province showed an increasing trend and mutation occurred in 2006 and reached 138.2 billion m3 on 2009. Internal water footprint plays a decisive role; The increase of water footprint exceeds the water resources load in the province, and the phenomenon of water resources overexploitation becomes more prominent after 2003. The water resources use efficiency of Henan Province increases with the increase of water resources consumption. The spatial difference of water resources utilization in different cities of Henan Province is obvious, and the water resources utilization efficiency of Zhumadian and Zhoukou is very low. The total consumption of water resources is the largest; The utilization efficiency of water resources in Zhengzhou, Sanmenxia and Luoyang is high. Zhumadian Shangqiu has the least dependence on water resources; Luohe, Xuchang water resource scarcity index is the biggest, but the water resources dependence degree is low, the water resources overexploitation is serious, in order to change the water resources utilization efficiency, the over-exploitation serious present situation. It is necessary to strengthen the rational allocation and efficient utilization of water resources in all parts of Henan Province.
【作者單位】： 西北師范大學(xué)地理與環(huán)境科學(xué)學(xué)院;
【基金】：國家自然科學(xué)資助項(xiàng)目(41261047,41201196) 西北師范大學(xué)青年教師科研能力提升計(jì)劃骨干項(xiàng)目(NWNU-LKQN-11-11)
【分類號】：TV213.9
【正文快照】： 隨著經(jīng)濟(jì)和社會發(fā)展,水資源日益緊缺,水資源安全及其引發(fā)的糧食安全問題開始備受關(guān)注。河南省是我國的糧食主產(chǎn)區(qū)之一,1978—2009年,其糧食總產(chǎn)量從2 097.4萬t增加到5 389.0萬t,年均增長3.18%,占全國糧食產(chǎn)量的10%[1],同時(shí)河南也是我國嚴(yán)重缺水的地區(qū)之一,人均水資源量約為352，

本文編號：1397023