نتایج جستجو برای: river and lake

تعداد نتایج: 16861317  

This study aims to identify favorable oil–gas reservoir facies in the Chishan group of the Wubao fault zone (Gaoyou sag, Subei basin, China) using the methods of outcrops and cores observation, granularity analysis, scanning electron microscope, log data, etc. The results suggest that the Chishan group in the studied area mainly develops desert sedimentary system, and contains five kinds of fac...

2005
CHRISTOPHER J. PHILLIPS CAMPBELL S. NELSON

Lake Matahina, an 8 km long hydroelectric storage reservoir, is a small (2.5 km), 50 m deep, warm monomictic, gorge-type lake whose internal circulation is controlled by the inflowing Rangitaiki River which drains a greywacke and acid volcanic catchment. Three major proximal to distal subenvironments are defined for the lake on the basis of surficial sediment character and dominant depositional...

2017
Timothy A. Goudge James M. Russell John F. Mustard James W. Head Satria Bijaksana

Sediment deposited within lake basins can preserve detailed records of past environmental conditions on planetary surfaces, including both Earth and Mars. Establishing how to best characterize these paleoclimate records is thus critical for understanding the evolution of past planetary climates. Here, we present an ~40 k.y. lake sediment record from Lake Towuti, Indonesia, developed using visib...

2014
Erich Draganits Susanne Gier Christoph Janda Bodo Bookhagen Bernhard Grasemann

300 MW Baspa II is India’s largest private hydroelectric facility, located at the Baspa River which is an important left-hand tributary to the Sutlej River in the NW Himalaya (India). In this valley the Sangla palaeo-lake has been dammed around 8200 yr BP behind a rock-avalanche dam and Baspa II is located exactly on top of this palaeo-lake. This special location represents a very rare possibil...

Journal: :Environmental monitoring and assessment 2013
Lijuan Cui Changjun Gao Xinsheng Zhao Qiongfang Ma Manyin Zhang Wei Li Hongtao Song Yifei Wang Shengnan Li Yan Zhang

The middle and lower reaches of the Yangtze River basin have the most representative and largest concentration of freshwater lakes in China. However, the size and number of these lakes have changed considerably over the past century due to the natural and anthropogenic impact. The lakes, larger than 10 km(2) in size, were chosen from relief maps and remotely sensed images in 1875, 1950, 1970, 1...

2012
Ruibin Zhang Xin Qian Xingcheng Yuan Rui Ye Bisheng Xia Yulei Wang

In recent years, water quality degradation associated with rapid socio-economic development in the Taihu Lake Basin, China, has attracted increasing attention from both the public and the Chinese government. The primary sources of pollution in Taihu Lake are its inflow rivers and their tributaries. Effective water environmental management strategies need to be implemented in these rivers to imp...

2012

Based on the field investigation and long term remote sensing data, the dynamics of the alpine wetland in the river basin and their response to climate change were studied. Results showed the alpine wetlands accounted for 3.73% of total basin in 2010. Lake and river appeared an increasing trend in the past 30 years, with an increase of 34.36 % and 24.57%. However, swamp exhibited a tendency of ...

2001
JoAnne Nelson

The goal of this project is to trace into central northern B.C. stratigraphy known to host Mississippian volcanogenic massive sulphide deposits such as Kudz Ze Kayah, Wolverine, and Fyre Lake, which lie within the Yukon Tanana Terrane in the Finlayson Lake belt of central Yukon. It is part of the Jennings River/Wolf Lake component of the Ancient Pacific Margin NATMAP project, a cooperative effo...

2001
JoAnne Nelson

The goal of this project is to trace into central northern B.C. stratigraphy known to host Mississippian volcanogenic massive sulphide deposits such as Kudz Ze Kayah, Wolverine, and Fyre Lake, which lie within the Yukon Tanana Terrane in the Finlayson Lake belt of central Yukon. It is part of the Jennings River/Wolf Lake component of the Ancient Pacific Margin NATMAP project, a cooperative effo...

2010
PHILLIP H. LARSON RONALD I. DORN

Stream terraces of the Salt River form the interpretive backbone of Plio-Pleistocene landscape evolution of central Arizona, because they represent the base level of all tributary streams. This paper presents a new addition to T.L. Péwé’s Salt River Terrace sequence (in decreasing topographic position and age: Sawik, Mesa, Blue Point, and Lehi) that has been unrefined for the last 30 years. The...

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