نتایج جستجو برای: birjand flood plain

تعداد نتایج: 68886  

Journal: :Boletim Goiano de Geografia 2011

Journal: :Turkish Journal of Remote Sensing and GIS 2023

Generation of flood inundation maps is beneficial in risk assessment and evaluation. Flood mapping can be achieved by many remote sensing techniques like change detection (CD) with thresholding machine learning-based (ML) methods. Optical synthetic aperture radar (SAR) imagery are widely used, provided different satellite systems. This study used Sentinel-1 SAR Sentinel-2 MSI data Google Earth ...

2005
S. M. Islam K. Rahman S Khan S Shrestha

Design flood estimation is often required in engineering practice such as design of hydrologic structures, flood plain management, river ecological studies and flood insurance studies. The national guideline for design flood estimation in Australia known as Australian Rainfall and Runoff (ARR) recommends the Design Event Approach as the preferred method of rainfallbased design flood estimation ...

2017
Peter M. Rice Gary J. Ray

Concentrations of copper, arsenic and cadmium in sediments and soils deposited on the flood plain of the upper Clark Fork River drainage were determined to be one to two orders of magnitude greater than in soils from typical noncontaminated systems. Aerial deposition of metal particulates during the period of smelting activities (1884-1980) has contributed approximately 2% of the excess copper,...

Aslan Egdernezhad, Hadi Mohammadi Vala Mohsen Ahmadi Niaz Ali Ebrahimipak Zahra ghorbani

Groundwater is one of the most important water resources especially for irrigation in the east of Iran. So, it is important to note its water quality variation for deciding to manage it. To this end, the study were done to zone Birjand plain located at latitude between 32˚ 30’-33˚ 00’ N and longitude between 58˚ 45’-59˚ 41’ E. In order to achieve this goal, the required layers, Sodium adsorptio...

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In the summer of 2001, an intense thunderstorm in southeastern Caspian Sea triggered a catastrophic flood in the Madarsoo basin . Use of methods including high-resolution aerial photographs and satellite images interpretation, multi-date mapping, hydraulic calculations and field observations made possible the documentation of the geomorphic impacts on the Madarsoo River and its tributaries. Geo...

2015

This article was republished on May 29, 2015, to correct formatting errors that were introduced during the typesetting process. Specifically, within the Materials and Methods section, "People in the 100-year flood plain" appeared as a subsection of "Land area and population in the LECZ". "People in the 100-year flood plain" has now been reinstated as a level-2 heading within the Materials and M...

Journal: :Nature 2017
Elizabeth H Dingle Mikaël Attal Hugh D Sinclair

Rivers sourced in the Himalayan mountain range carry some of the largest sediment loads on the planet, yet coarse gravel in these rivers vanishes within approximately 10-40 kilometres on entering the Ganga Plain (the part of the North Indian River Plain containing the Ganges River). Understanding the fate of gravel is important for forecasting the response of rivers to large influxes of sedimen...

2010
Gabriele Villarini James A. Smith

[1] Annual maximum peak discharge time series from 572 stations with a record of at least 75 years in the eastern United States are used to examine flood peak distributions from a regional perspective. The central issues of this study are (1) “mixtures” of flood peak distributions, (2) upper tail properties of flood peaks, (3) scaling properties of flood peaks, (4) spatial heterogeneities of fl...

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