نتایج جستجو برای: geomorphological landforms
تعداد نتایج: 4459 فیلتر نتایج به سال:
Here we present a glacial and periglacial geomorphological map of ?6800 km2 region central Troms Finnmark county, Arctic Norway. The is presented at 1:115,000 scale with the aim characterising spatial distribution landforms facilitating reconstruction history during latter stages deglaciation from Last Glacial Maximum into Holocene. Mapping was conducted predominantly by manual digitisation usi...
Urban geodiversity is a complex entity that includes both natural and anthropogenic geological geomorphological elements, thus requiring broad interdisciplinary approach to its inventorying assessment. To estimate evaluate the widest possible range of urban geodiversity, explore intersection between geo- cultural heritage, an inventory 615 features city Pozna?, Poland, has been established. The...
Bifurcations are key geomorphological nodes in anabranching and braided fluvial channels, controlling local bed morphology, the routing of sediment and water, and ultimately defining the stability of their associated diffluence–confluence unit. Recently, numerical modelling of bifurcations has focused on the relationship between flow conditions and the partitioning of sediment between the bifur...
Within fluvial systems, the spatial variability of geomorphological characteristics of stream channels and associated streambed properties can affect many biogeochemical processes. In agricultural streams of the midwestern USA, it is not known how geomorphological variability affects sediment denitrification rates, a potentially important loss mechanism for N. Sediment denitrification was measu...
Geoheritage is a geotourism resource that could lead to the sustainable development of society, and contribute information on geological geomorphological characteristics, education, public awareness geoconservation, landscape protection. Understanding this cultural wealth still limited, since available often specialized. Communication addressed emotional sphere can profoundly engage people, tec...
The lower Calore and middle Volturno valleys preserve stratigraphical morphological evidence tephrostratigraphic markers particularly suitable for reconstructing the long-term geomorphological evolution of central-southern Apennines. Aim our study is to identify main steps Quaternary landscape these valley systems improve knowledge about relationships between fluvial processes tectonics, volcan...
Rock glaciers and related cold rocky landforms: Overlooked climate refugia for mountain biodiversity
Mountains are global biodiversity hotspots where cold environments and their associated ecological communities threatened by climate warming. Considerable research attention has been devoted to understanding the effects of alpine glacier snowfield recession. However, much less given identifying refugia in mountain ecosystems present-day environmental conditions will be maintained, at least near...
Defining impact significance is the main technical task that influences decision-making during Environmental Licensing Procedure (ELP). The ELP begins with screening to determine potentially significant impacts of proposed project. Scoping then follows address any interventions deemed worthy attention in production an Impact Assessment (EIA). This will include consideration relevant landforms a...
Although rivers are inherently dynamic systems that susceptible to change, human impact on in the last century is considered have been so significant it has caused an unprecedented intensity of geomorphological change river channels and floodplains. As these changes often lead deterioration ecological conditions as well increased flood risks, approach management changed over past twenty years. ...
Among the various processes that destroy lands, soil erosion is a complex and hazardous environmental process that constitutes a serious threat to preservation of soil and water resources in Iran and has inflicted its negative effects on the vital ecosystem with the intensified utilization of nature by human beings. The present descriptive and analytic research employed the PSIAC model to study...
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