>>> 哲学 经济学 法学 教育学 文学 历史学 理学 工学 农学 医学 军事学 管理学 旅游学 文化学 特色库
搜索结果: 1-15 共查到Water Conservation相关记录16条 . 查询时间(0.062 秒)
Carbon sequestration and water conservation are two of the key ecosystem services that forests provide for societal need to address environmental issues. Optimization of the dual services is the ultim...
Soil erosion has tremendous impacts on most river systems throughout the United States. Such non-point pollution results from land-use and agricultural practices and leads to sedimentation downstream,...
Taken 1:10000 Scale topographic map in the small watershed of Genxi River as an example, under the support of ARCVIEW and ARC/INFO software of GIS, through digitizing topographic map and other special...
Soil erosion has tremendous impacts on most river systems throughout the United States. Such non-point pollution results from land-use and agricultural practices and leads to sedimentation downstream,...
The Journal of Soil and Water Conservation (JSWC) is a multidisciplinary journal of natural resource conservation research, practice, policy, and perspectives.The journal has two sections: the A Secti...
World Association of Soil and Water Conservation (WASWAC), as a worldwide academic society, was established in USA in August 1983. The secretariat of WASWAC was initially at the Soil and Water Conserv...
During the past year, the RGBI Economics Team completed various technical reports and professional journals and presented findings on RGBI water-resource issues to local, statewide, and national audie...
Since 2001, the Efficient Irrigation for Water Conservation in the Rio Grande Basin Federal Initiative-known as the Rio Grande Basin Initiative (RGBI)-has saved more than 5 million acre-feet of water....
Snowcover accumulation has tremendous impacts on Canadian Prairie hydrology and agriculture (Pomeroy and Gray, 1995; Fang and Pomeroy, 2007). Wind redistribution of snow or blowing snow is frequent in...
The Journal of Soil and Water Conservation (JSWC) is a multidisciplinary journal of natural resource conservation research, practice, policy, and perspectives. The journal has two sections: the A Sect...
在分析乔灌篱沟蓄沟道布置和水分运动特点的基础上,建立了乔灌篱沟蓄沟道二维非饱和土壤水分运动模型,采用Galerkin有限单元法对方程进行数值求解。室内验证试验结果表明,土壤含水率和湿润锋的模型计算值与实测值吻合较好,说明乔灌篱沟蓄沟道土壤水分运动模型正确,采用有限元法求解可行。
期刊信息 篇名 Transformation and assessment of Chinese pine pure plantations for soil and water conservation in western Liaoning Province, P. R. China 语种 英文 撰写或编译 作者 ZENG De-hui,JIANG Feng-qi,GUO Hao,FAN Zh...
SOIL AND WATER CONSERVATION IN CHINA     SOIL  CHINA       2013/7/19
China has an area of 9.6 million km2 with high land in the west and low land in the east. Mountains, hills and plateaus account for 2/3 of the total area. Out of the total area, arable land is around ...
Not long ago, conversations on urban water demand were not only rare but dull. Today, especially in the West and Southwest, these conversations can turn into heated debates. The question of who has en...
Furrow diking is a practical, efficient and low-cost technique to conserve water and increase crop yields. Improvements in diker design and the increased use of herbicides have resulted in the rapid s...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...