نتایج جستجو برای: snowmelt

تعداد نتایج: 1720  

1999
Mark W. Williams

Logistical constraints have caused data collection in seasonally-snow covered areas to generally be on a campaign basis with limited instrumentation. The problems of winter access, cold air temperatures, and blowing snow cause both equipment malfunctions and problems with consistent and timely maintenance. At the Long-Term Ecological Research (LTER) network site in an alpine area of Colorado, w...

2014

KUČEROVÁ, D., JENÍČEK, M. (2014): Comparison of selected methods used for the calculation of the snowpack spatial distribution, Bystřice River basin, Czechia. Geografie, 119, No. 3, pp. 199–217. – The knowledge of the water volume stored in the snowpack, including its spatial distribution, is vital for many hydrological applications. Such information is useful for hydrological forecasts and it ...

Journal: :Journal of environmental quality 2016
Mats Larsbo Maria Sandin Nick Jarvis Ararso Etana Jenny Kreuger

Pesticides stored at or close to the soil surface after field application can be mobilized and transported off the field when surface runoff occurs. The objective of our study was to quantify the potential pesticide losses in surface runoff from a conventionally managed agricultural field in a Swedish climate. This was achieved by measuring surface runoff volumes and concentrations in runoff of...

Journal: :Plant biology 2010
F Baptist C Flahaut P Streb P Choler

Climate change effects on snow cover and thermic regime in alpine tundra might lead to a longer growing season, but could also increase risks to plants from spring frost events. Alpine snowbeds, i.e. alpine tundra from late snowmelt sites, might be particularly susceptible to such climatic changes. Snowbed communities were grown in large monoliths for two consecutive years, under different mani...

2003
Jessica D. Lundquist Daniel R. Cayan Michael D. Dettinger

Over half of California’s water supply comes from high elevations in the snowmelt-dominated Sierra Nevada. Natural climate fluctuations, global warming, and the growing needs of water consumers demand intelligent management of this water resource. This requires a comprehensive monitoring system across and within the Sierra Nevada. Unfortunately, because of severe terrain and limited access, few...

2000
Thomas Nagler Shaun Quegan Helmut Rott

Real time forecasts of the snowmelt runoff up to six days in advance were carried out for basins in the Alps of the Zillertal, Austria, which are part of a network of reservoirs for hydropower generation. The forecasts are based on the Snowmelt Runoff Model (SRM). Input data to SRM are taken from online measurements of hydro-meteorological parameters, from numerical weather forecast models, and...

2007
A. Bartsch

Boreal peatland covers large areas on the northern hemisphere and thus plays an important role especially as carbon storage. Results from a range of microwave sensors have already shown a large potential for hydrological applications. We tested the ScanSAR system ENVISAT ASAR Global Mode (1km) time series for wetland monitoring in boreal environments. With a simple threshold method homogeneous ...

2006
John L. Campbell Myron J. Mitchell Bernhard Mayer

[1] Biogeochemical cycling of N and S was examined at two watersheds in the Adirondack Mountains, New York, to better understand the retention and loss of these elements during winter and spring snowmelt. We analyzed stable isotope compositions of NO3 (dN-NO3 , dO-NO3 ) and SO4 2 (dS-SO4 2 , dO-SO4 2 ), along with concentrations and fluxes of NO3 and SO4 2 , in precipitation, throughfall, snowp...

Journal: :Progress in Earth and Planetary Science 2021

Abstract Soil Water Index (SWI) represents the conceptual water stored in soil and is calculated using a three-layer tank model with hourly precipitation. In Japan, landslide disasters are likely to occur when SWI an event exceeds maximum value of past 10 years; however, snowmelt-driven have not been considered yet. Using that simultaneously calculates runoff, we implemented snowfall-accumulati...

2010
David A. Swayne Wanhong Yang A. A. Voinov A. Rizzoli Rajesh Shrestha Yonas Dibike Terry Prowse

This paper presents results of spatial and temporal analyses of hydro-climatic regimes and simulation of climate-induced hydrologic changes in the Lake Winnipeg watershed. The hydrologic and agricultural chemical yield model, Soil & Water Assessment Tool (SWAT), was employed for the simulation of hydrologic scenarios in the Upper Assiniboine catchment of the Lake Winnipeg watershed, Canada. Ana...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید