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global eco environment
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  全球生态环境
     Profound and Lasting Effects of El Nino and La Nino on Global Eco environment and Summer Flood Disaster in China
     厄尔尼诺、拉尼娜对全球生态环境及中国1998夏季洪灾的影响
短句来源
     he expressions and formative causes of El Nino and La Nino are commented in this paper Their profound and lasting effects on global eco environment and the 1998 summer flood disaster in China are specially stressed
     本文概述了厄尔尼诺和拉尼娜现象的形式和成因,讨论了其对气候异常、全球生态环境和中国1998 夏季特大洪灾的重要影响,结果表明,作为海气耦合的厄尔尼诺、拉尼娜现象对环境异常和洪灾有着特别重要的作用。
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  相似匹配句对
     Impacts of Global Warming of Eco-security in China
     气候变暖对中国生态安全的影响
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     Environmental Problems, Eco-problems,and Global Problems
     环境问题 生态问题 全球问题
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     ENSO events and their impact on global eco-environment
     ENSO事件及其对全球生态环境的影响
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     Eco-cultural Criticism: the Spirit of the Western and the Global Consciousness
     生态文化批评:西部精神和全球意识
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     Legend of ECO
     ECO传奇
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Global eco-environment and renewable natural resources Change very quickly, which is caused by human activity and exploitation in large scale. Monitoring of these Changes is a new research field of remote sensing application.This paper described a experiment study of remote sensing systematic analysis on natural resource and environment Change monitoring. Main methods concern changed factor extraction through the brightness statistics, ratio and texture analysis; matching multi-temporal...

Global eco-environment and renewable natural resources Change very quickly, which is caused by human activity and exploitation in large scale. Monitoring of these Changes is a new research field of remote sensing application.This paper described a experiment study of remote sensing systematic analysis on natural resource and environment Change monitoring. Main methods concern changed factor extraction through the brightness statistics, ratio and texture analysis; matching multi-temporal remote sensing data, normalized difference comparison, "brightness" and "greenness" difference analysis of principal components method by using image processing system; updating renewable natural resources changed map through overlaying or partly revising multi-temporal maps by using geographical information system; establishing mathematic model, such as: variable correlation regional regression and tendency surface analysis etc., for researching renewable natural resource change law.

人类大规模的活动与自然资源开发,引起了全球范围内的生态环境以及可更新资源的迅速变化。快速、定量监测这些变化,已成为遥感应用研究新的发展领域。 本文叙述了有关资源环境动态遥感监测研究方面的初步探索性工作,主要包括利用图像处理系统,根据专题变化因素的光谱亮度统计进行密度、比值和纹理处理、不同时期遥感信息的复合处理和规一化差值及主成分分析法的“亮度”、“绿度”差值分析;利用地理信息系统,采用覆盖分析和局部更新法进行再生资源变化图件的快速更新,以及为研究再生资源动态变化规律,而进行的多变量相关、区域回归分析方法。

Land degradation is one of the most serious global eco environment problem which limits the development of society and economy at present. According to the situation in northwestern of Shanxi province, land degradation mainly includes water erosion and wind erosion. Land degradation in this area with fragile eco environment condition,such as loose surface material composition and dry climatic condition,is directly resulted by rapid increase of population and human irrational...

Land degradation is one of the most serious global eco environment problem which limits the development of society and economy at present. According to the situation in northwestern of Shanxi province, land degradation mainly includes water erosion and wind erosion. Land degradation in this area with fragile eco environment condition,such as loose surface material composition and dry climatic condition,is directly resulted by rapid increase of population and human irrational economic activities. Finally, the negative effects of land degradation on society and environment are studied,and strategies for preventing further land degradation are also put forward .

土地退化是当前世界重要的环境问题,它严重地制约着社会经济的可持续发展。根据野外调查和前人的研究成果,探讨了晋西北地区土地退化的表现特点、成因和危害,并提出了土地退化的防治对策。

he expressions and formative causes of El Nino and La Nino are commented in this paper Their profound and lasting effects on global eco environment and the 1998 summer flood disaster in China are specially stressed

本文概述了厄尔尼诺和拉尼娜现象的形式和成因,讨论了其对气候异常、全球生态环境和中国1998 夏季特大洪灾的重要影响,结果表明,作为海气耦合的厄尔尼诺、拉尼娜现象对环境异常和洪灾有着特别重要的作用。

 
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