نتایج جستجو برای: basins of karun basin then

تعداد نتایج: 21176987  

2017
J. Wright D. A. Rothery M. R. Balme S. J. Conway

Introduction: The globally extensive smooth plains of Mercury are believed to be mostly volcanic in origin [1]. Widespread effusive volcanism on Mercury is thought to have ended by ~3.5 Ga due to secular cooling of the planet’s interior, and contraction of its lithosphere [2]. As the planet cools and contracts, melt should be produced at a slower rate and in smaller volumes, so it will stall de...

Journal: :pollution 2015
amir hedayati aghmashhadi hamidreza jafari naser mehrdadi hedayat fahmi parvin farshchi

haraz-ghareh su is one of the seven sub-basins of the caspian basin, located on the southern shores of the caspian sea, and as such, is in danger of water crisis due to absence of proper systematic policy and strategy. in this study, the pressure factors on the haraz-ghareh su water resources were identified using dpsir model. then, the pressure parameters on the freshwater resources in the cas...

A Hamzeh Haghiabi H Fathian, Sh Rezaghi Kh,

One of the most important issues in water supply for agriculture or drinking is sediment control.Sedimentation in water conveyance channels reduces transmission efficiency. this study evaluated theefficiency of settling basin of Kamandan intake that is located in the village of Aligoodarz in Lorestanprovince. At first sample from water and sediment in inlet and outlet of settling basin in diffe...

2004

This paper describes long-term hydrologic response within a rapidly developing watershed in the western suburbs of Washington, DC, within the Chesapeake Bay drainage basin. Data consist of up to 24 years of observed rainfall, basin discharge, and land use/land cover (LULC) from four headwater basins of the Occoquan River in northern Virginia. Basin outlets are monitored for storm and nonstorm f...

2003
Noah E. PETRO Carlé M. PIETERS

available online at http://meteoritics.org The lunar-wide effects of basin ejecta distribution on the early megaregolith Noah E. PETRO1, 2* and Carlé M. PIETERS1 1Department of Geological Sciences, Brown University, Box 1846, Providence, Rhode Island, 02912, USA 2Now at: Planetary Geodynamics Laboratory, Code 698, NASA Goddard Space Flight Center, Greenbelt, Maryland, 20771, USA *Corresponding ...

Journal: :Remote Sensing 2012
Prajna Regmi Guido Grosse Miriam C. Jones Benjamin M. Jones Katey Walter Anthony

Drained thermokarst lake basins accumulate significant amounts of soil organic carbon in the form of peat, which is of interest to understanding carbon cycling and climate change feedbacks associated with thermokarst in the Arctic. Remote sensing is a tool useful for understanding temporal and spatial dynamics of drained basins. In this study, we tested the application of high-resolution X-band...

Extended abstract 1- Introduction Various factors influence the karstification process in the dissolution of carbonate rocks. Karst is common influence result of internal morphodynamics (geological structure and lithology) and external morphodynamics (climate, altitude, vegetation, and time). They affect the karstification of the demise of carbonate rocks. Karst is the result of numerous meth...

One of the most important issues in watershed management is to determine priority for implementing managerial activities. According to the management and decision-making for selecting appropriate locations to implement watershed management projects and also, due to the cost and duration of watershed operations, using decision making methods are very useful. In this study, by using fuzzy SAW and...

ژورنال: علوم آب و خاک 2018

Settling basins are one of the most essential structures for the separation of inflow sediments. This structure is established to enhance the water quality after the river-basins and water channels. Numerous studies have been conducted on the design of this structure and different methods have been provided to increase its efficiency. However, the use of simple settling basins with the minimum ...

2007
LAURENT PFISTER JEAN-FRANÇOIS IFFLY LUCIEN HOFFMANN Laurent Pfister

An attempt was made to compensate for the lack of long hydrological time series and the lack of information on maximum streamflow in the Alzette River basin (Luxembourg) via the regionalization of stormflow coefficients. Streamflow data recorded since 1995 with a very dense streamgauge network allowed the determination of maximum stormflow coefficients in 18 sub-basins of the Alzette. The storm...

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