搜索结果: 1-10 共查到“水文学 2000”相关记录10条 . 查询时间(0.125 秒)
土地利用/覆被变化对明晰气候变化和人类活动对湖泊水环境的影响有重要作用.以北方典型农牧交错的岱海流域为研究对象,基于遥感解译技术、马尔可夫转移矩阵、综合污染指数法等方法,对2000—2018年岱海流域土地利用/覆被和湖泊水质的变化进行分析,并结合冗余分析法和计量分析模型探究长时间序列尺度下土地利用/覆被变化对湖泊水质的影响.结果表明:近20年来,岱海流域的土地利用/覆被类型以耕地和草地为主,其变化...
河海大学2000-2014年度获省部级奖成果。
2000-2013年无定河流域植被覆盖变化及其固碳效应
植被覆盖 植被固碳 退耕还林还草 无定河流域
2016/12/21
评估2000—2013年无定河流域水土保持和退耕还林(草)的成效,为评估无定河流域生态修复工程成效提供数据支撑. [方法] 采用线性回归、相关系数和偏相关系数等方法,分析无定河流域2000—2013年NDVI(归一化植被指数)与NPP(净初级生产力)的变化及影响因素. [结果] (1) 2000—2013年,无定河流域植被覆盖增长率3.39%/a,远高于1999—2008年黄土高原植被覆盖增长率0...
Rivers we can't bring ourselves to clean – historical insights into the pollution of the Moselle River (France), 1850–2000
pollution Moselle River
2009/5/13
As products of both natural and social systems, rivers are highly complex historical objects. We show in this paper that historical analysis works on two different levels: one level, which we call "st...
Sulphur and nitrogen fluxes and budgets in the Bohemian Forest and Tatra Mountains during the Industrial Revolution (1850-2000)
emission deposition acidification
2009/3/24
Major fluxes of sulphur and dissolved inorganic nitrogen were estimated in Central European mountain ecosystems of the Bohemian Forest (forest lakes) and Tatra Mountains (alpine lakes) over the indust...
Chemical trends at lakes and streams in the UK Acid Waters Monitoring Network, 1988-2000: Evidence for recent recovery at a national scale
acidification recovery long-term trends climate
2009/3/24
A detailed trend analysis of 12 years of data (1988-2000) for 22 surface waters in acid-sensitive regions of the United Kingdom, in which individual site data have been combined to identify national-s...
Assessment of recovery of European surface waters from acidification 1970-2000: An introduction to the Special Issue
surface waters acidification recovery of European
2009/3/23
Assessment of recovery of European surface waters from acidification 1970-2000: An introduction to the Special Issue
The contribution of soil structural degradation to catchment flooding: a preliminary investigation of the 2000 floods in England and Wales
soil structure land management Curve Number
2009/3/12
During the autumn of 2000, England and Wales experienced the wettest conditions for over 270 years, causing significant flooding.
The trends and dependencies between air and water temperatures in lakes in northern Poland in 1961–2000
physical limnology climate changes lake water temperature
2009/3/3
Over 40 years, from 1961–2000, daily mean values of surface lake water temperatures at 0.4 m depth in six lakes in northern Poland were recorded with nearby mean daily air temperatures at 2 m. Air tem...
2000年8月长江口外海区的观测和分析
2007/7/28
期刊信息
篇名
2000年8月长江口外海区的观测和分析
语种
中文
撰写或编译
撰写
作者
朱建荣,丁平兴,胡敦欣
第一作者单位
华东师范大学
刊物名称
海洋与湖沼
页面
出版日期
2003年
月
日
文章标识(ISSN)
相关项目
长江河口羽状锋及其对入海物质输运影响的数值模拟