نتایج جستجو برای: hypsometry

تعداد نتایج: 66  

2013
L. Carturan R. Filippi R. Seppi P. Gabrielli C. Notarnicola G. Dalla Fontana

A widespread loss of glacier area and volume has been observed in the European Alps since the 1980s. In addition to differences among various regions of the Alps, different responses to climate change characterize neighboring glaciers within the same region. In this study we describe the glacier changes in the Ortles-Cevedale group, the largest glacierized area in the Italian Alps. We analyze t...

2007
Simon H. Brocklehurst Kelin X. Whipple

[1] The response of glaciated landscapes to rapid rock uplift, driven by tectonic convergence, is an important, often neglected, aspect of proposed interactions between plate tectonic processes and climate change. Rivers typically respond to more rapid rock uplift in part through increasing channel gradients. In contrast, the ‘‘glacial buzzsaw’’ hypothesis suggests that glaciers can erode as qu...

2018
Benjamin A. Robson Christopher Nuth Pål R. Nielsen Luc Girod Marijn Hendrickx Svein Olaf Dahl

This study assesses changes in glacier area, velocity, and geodetic mass balance for the glaciers in the Manaslu region of Nepal, a previously undocumented region of the Himalayas. We studied changes between 1970 (for select glaciers), 2000, 2005, and 2013 using freely available Landsat satellite imagery, the SRTM Digital Elevation Model (DEM) and a DEM based on Worldview imagery. Our results s...

2012
H. Ssegane E. W. Tollner Y. M. Mohamoud T. C. Rasmussen J. F. Dowd

0022-1694/$ see front matter 2012 Elsevier B.V. A doi:10.1016/j.jhydrol.2012.01.035 ⇑ Corresponding author. Tel.: +1 706 202 8193. E-mail addresses: [email protected] (H. Ssegane), Tollner), [email protected] (Y.M. Mo (T.C. Rasmussen), [email protected] (J.F. Dowd). Hydrological flow predictions in ungauged and sparsely gauged watersheds use regionalization or classification of hydrologi...

Journal: :پژوهش های جغرافیای طبیعی 0
ابوالقاسم گورابی استادیار گروه جغرافیای طبیعی، دانشگاه تهران فاطمه کیارستمی کارشناس ارشد مخاطرات طبیعی، دانشگاه تهران

introduction identification of active tectonic areas, especially in convergent zone are very important because of their potential risks. nowadays, there are several algorithms that are used for tectonic analysis; one of them is tecdem that is used in this research. in this study, using remote sensing techniques, geomorphometric analysis and fieldwork were conducted to analyze morphometric and g...

Journal: :Sustainability 2023

The numerical 1-D HEC-RAS modelling tool was supported by the estimation of sieve curve changes procedure to measure scale predicted discharges along a stretch stream in southern Poland on Olkusz Upland. calibrated mountain streams during high-stage events, using radiotracer application bedload transport. Particular terrain hypsometry, created dissolution limestone, forced deep erosion river va...

Journal: :Geomorphology 2021

The Great Marsh in northern Massachusetts and southern New Hampshire is the largest salt marsh England includes surrounding Plum Island Sound, one of most studied coastal wetlands United States. A primary goal research today predicting their resilience a regime sea-level rise, which has become increasingly based on modeling studies with sparse or site-specific field data input. Here, we present...

Journal: :Geographies 2022

The Brazilian Cerrado biome provides relevant ecosystem services for Brazil and South America, being strategic the planning management of water resources as well agribusiness. objective was to evaluate quality along course Córrego da Formiga in a virgin portion Cerrado, relationship land use with physical-chemical biological parameters water, inflow tributary. Five collection points were define...

Journal: :تحقیقات جغرافیایی 0
منصور سعیدی کیا گروه جغرافیا دانشگاه رازی کرمانشاه محمود علائی طالقانی گروه جغرافیا دانشگاه رازی کرمانشاه

abstract: in this research, the relationship between geomorphologic factors with underground water resources in zahab plain (in west of kermanshah) has been analyzed using by analyzing-deducing and weighting methods. first, by using of pizometeric and exploratory well data, variation of water table in zahab plain has been comparative analysis with geomorphic unites and then, the zahab watershed...

Journal: : 2022

Introduction. The relevance of this publication is associated with the problem foundation and developing a raw material base phosphate in accordance demand national agro-industrial complex. purpose to develop preliminary digital structural-lithological model (DSLM) Kopytkivsky deposit, as tool for information support its development, well geological genetic characteristics object basis specifyi...

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