This paper examines the progress in the formation of a river-basin authority, through local initiation and consultation, and with limited resources within the Southern Philippines. It highlights the benefits of the process and the problems which were encountered, and draws together lessons that have ...
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A. erosion by the Niagara River B. volcanic activity C. tectonic uplift D. wind E. rosion 相关知识点: 试题来源: 解析 A。选项 B 火山活动不是尼亚加拉瀑布的形成原因。选项 C 构造抬升不是主要原因。选项 D 风蚀不是尼亚加拉瀑布的形成原因。选项 A 尼亚加拉河的侵蚀作用造就了尼亚加拉瀑布。反馈...
The Source of the Yellow River 272020-06 2 Formation of the Yellow River 352020-06 3 Lesso61、62 182020-01 4 Good Ways to Push 172019-12 5 Chica-Chjck Makes a Pinata 62019-12 6 Cornelia and the Falling Sky 142019-12 7 Thinking of Others 102019-12 8 Babysistererads 232019-12 9 tadp...
the formation age of the Yellow River at the upper reaches of the Xinghai-Gonghe area(the age is 200ka) and at the middle reaches of the Sanmen Gorge area(the age is 200 ~ 150ka)is earlier than that of the Hetao basin(the age is lOOka),and the time of the Yellow River run-...
Cyanobacterial scums at the surface of the lakes are potentially harmful phenomena with increasing occurrence in the last decades, and the causes that lead to their formation are still an unresolved issue. In order to better understand what triggers the
The Hutiaoxia Gorge is a typical representative of the gorges on The Jinsha River.The research on its causes and ages of formation has close relation to some vital scientific problems,such as development of the water system of the Jinsha and Yangtze,genesis of the first bend of the Yangtze,...
The Chinese government is promoting the Beijing-Tianjin-Hebei (BTH) region to become a world-class megalopolis in China in addition to the Yangtze River Delta megalopolis20. Much attention has been focused on the BTH region since the implementation of “The Plan for the Coordinated Development of...
the convective activities between seawater and hydrothermal continuously supply heat and diagenetic ions for the ocean basin. This marine hydrothermal deposition event represents a special genetic mode. It lasted for a long time and occurred in a wide range, depending on the provenance of hydrothermal...
Meanwhile, this paper indicates that the long-term sequence bottom boundary of Tenggeer Formation in Baiyinchagan Sag is a conformity surface, which can not form the favorable pathways for oil-gas migration. In another word, even if there are good trap conditions in bottom boundary of Tenggeer...