نتایج جستجو برای: alluvial plain

تعداد نتایج: 48323  

Journal: :Scientific Investigations Map 2023

First posted August 3, 2023 For additional information, contact: more information about this publication, contactDirector, Lower Mississippi-Gulf Water Science CenterU.S. Geological Survey640 Grassmere Park, Suite 100Nashville, TN 37211For visithttps://www.usgs.gov/centers/lmg-water/Contact Pubs Warehouse The Mississippi Alluvial Plain is one of the most important agricultural regions in United...

2002
Jim E. O’Connor Myrtle A. Jones Tana L. Haluska

Comparison of historic channel migration rates, modern planform conditions, and overall sediment, wood, and flow conditions and interactions for the Quinault River and Queets River in the western Olympic Peninsula, Washington, reveals decadalto century-scale interactions between gravel-bed channels and forested flood plains in temperate maritime environments. The downstream alluvial portions of...

Journal: :Jambura Geoscience Review 2023

This research aimed to determine the potential of unconfined aquifer in Gorontalo City based on landform approach. The landforms consist alluvial plains lake deposits, floodplains river fans hills structural fractures reef limestones, pinogu volcanic rocks, and intrusive bone diorite. method used consisted a meteorological approach southern dynamic City. calculation groundwater availability usi...

2015
Enrica Viparelli Jeffrey A. Nittrouer Gary Parker

The lowermost Mississippi River, defined herein as the river segment downstream of the Old River Control Structure and hydrodynamically influenced by the Gulf of Mexico, extends for approximately 500 km. This segment includes a bedrock (or more precisely, mixed bedrock-alluvial) reach that is bounded by an upstream alluvial-bedrock transition and a downstream bedrock-alluvial transition. Here w...

Kerman and its surrounding towns consist of a flat alluvial plain of fine silt and clay materials. In morphological aspects, these sediments have a very gentle slope with the main infrastructure of the city build on them. Generally, the structure of undisturbed soils is developed over time due to the influence of environmental factors. Geological factors in Kerman fine-grained alluviums have ca...

Journal: :Sedimentology 2023

Cone penetration tests, a method that is typically used to determine the engineering properties of soils, can be as an effective tool for refined subsurface stratigraphic investigations alluvial and coastal plains, aside from geographic location. High-resolution calibration piezocone tests (CPTU) with 20 sediment cores enabled detailed characterization alluvial, deltaic depositional systems Po ...

2010
Alan E. Kehew Adam Milewski Farouk Soliman

a r t i c l e i n f o Keywords: palaeoflood Sinai rainfall–runoff model boulder transport flash floods The Wadi Isla drainage basin, a narrow steep bedrock canyon and its tributaries, rises near the highest elevations of the Precambrian Sinai massif on the eastern margin of the tectonically active Gulf of Suez rift. The basin area upstream from the mountain front is 191 km 2 and downstream the ...

Introduction: One of the most important evidence of karst development is the existence of Devlin or sinkholes. Devlin is a natural depression in the karstic areas with internal or subcutaneous drainage. In recent years several genetic classifications have been published for sinkholes sink holes in these categories into two main groups sinkholes of "liquidation" and "depression" are segregated. ...

Journal: :Geoarchaeology-an International Journal 2022

The heartlands of many the world's civilizations are situated within alluvial plains, where thick sediments obscure much archaeological record. However, use geoarchaeology remains patchy, particularly in largest basins. We present results from our geoarchaeological survey at Neihuang County, Henan Province, China, as an example for research North China Plain and to develop a generalized framewo...

Journal: :اکو هیدرولوژی 0
محمد حسین رضایی مقدم استاد گروه ژئومورفولوژی، دانشکدۀ جغرافیا و برنامه‏ ریزی، دانشگاه تبریز توحید رحیم پور کارشناسی ارشد سنجش از دور و gis، دانشکدۀ جغرافیا و برنامه‏ ریزی، دانشگاه تبریز مهسا نخستین روحی کارشناسی ارشد سنجش از دور و gis، دانشکدۀ جغرافیا و برنامه ‏ریزی، دانشگاه تبریز

basins leading to tabriz plain are part of the sub-basins of urmia lake basin, which is located in the east azerbaijan province and in the north-western part of iran. the area of this basin is 5397 km2, and agriculture is one of the main sources of income for the people, which is dependent on groundwater and surface water resources. in this study, an attempt was made to investigate the basins l...

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