نتایج جستجو برای: large basin slope

تعداد نتایج: 1124289  

Investigation about the influence of land-cover and land use changes on soil erodibility potential, case study: Gharesou, Gorganrood Land use and land cover (LUC) change associated with climatic and geomorphologic conditions of the area have an accelerating impact on the land degradation. Natural as well as human-induced land use land cover change (LUCC) has significant impacts on regional soi...

2016
Mingguang Tu Futao Wang Yi Zhou Shixin Wang

Water resources are a key factor for regional sustainable development. However, the published water resource data in China is based on a large geographical scale, such as watershed units, and the data cannot reflect subtle differences in water resource distribution. The paper aimed to distribute water resources of the third-order basin of China into grid-cells of 1 km × 1 km. First, we used Mor...

2016
Yevgeny Aksenov Michael Karcher Andrey Proshutinsky Rüdiger Gerdes Beverly de Cuevas Elena Golubeva Frank Kauker An T. Nguyen Gennady A. Platov Martin Wadley Eiji Watanabe Andrew C. Coward A. J. George Nurser

Pacific Water (PW) enters the Arctic Ocean through Bering Strait and brings in heat, fresh water, and nutrients from the northern Bering Sea. The circulation of PW in the central Arctic Ocean is only partially understood due to the lack of observations. In this paper, pathways of PW are investigated using simulations with six state-of-the art regional and global Ocean General Circulation Models...

2004
JOHN I. HEDGES FENG SHENG HU ALLAN H. DEVOL HILAIRY E. HARTNETT ELIZABETH TSAMAKIS RICHARD G. KEIL

We report here a test of the hypothesis that the extent of organic matter preservation in continental margin sediments is controlled by the average period accumulating particles reside in oxic porewater immediately beneath the water/sediment interface. Oxygen penetration depths, organic element compositions, and mineral surface areas were determined for 16 sediment cores collected along an offs...

Journal: :Sustainability 2023

The water quality of the basin is affected by many factors. unique geological conditions in karst areas create highly heterogeneous geographical characteristics, which makes relationship between and landscape more complex uncertain. In order to further study how these factors affect typical basin, this takes Chishui River Basin Southwest China as research object, Kruskal-Wallis test, Pearson co...

Journal: :International Journal for Numerical and Analytical Methods in Geomechanics 2023

Stability analysis of submarine and sub-lacustrine slopes requires special attention to the strain-softening nature clay-rich sediments. Utilizing often-used infinite slope assumption using peak strength is inadequate for task at hand as well-known limit equilibrium method may provide non-conservative estimate marine slopes’ stability. In this paper, a GIS based framework developed account more...

2008
G. G. Barnaföldi

We use recent nuclear parton distributions, among them the Hirai –Kumano –Nagai (HKN) and Eskola –Paukkunen – Salgado (EPS08) parameterizations, in our pQCDimproved parton model to calculate the nuclear modification factor, RAA′(pT ), at RHIC and at the LHC. At RHIC, the deuteron-gold nuclear modification factor for pions, measured at pT ≥ 10 GeV/c in central collisions, appears to deviate more...

2015
Ziliang Liu Fang Shen Xiaomin Zhu Fengjie Li Mengqi Tan Vanesa Magar

A large, shallow braided river delta sedimentary system developed in the Yanchang Formation during the Triassic in the southwest of the Ordos basin. In this braided delta system, abundant oil and gas resources have been observed, and the area is a hotspot for oil and gas resource exploration. Through extensive field work on outcrops and cores and analyses of geophysical data, it was determined ...

2000
James P. Syvitski Mark D. Morehead David B. Bahr Thierry Mulder

Correlations between suspended sediment load rating parameters, river basin morphology, and climate provide information about the physical controls on the sediment load in rivers and are used to create predictive equations for the sediment rating parameters. Long-term time-averaged values of discharge, suspended load, flow duration, flow peakedness, and temporally averaged values of precipitati...

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