نتایج جستجو برای: average annual rainfall

تعداد نتایج: 497456  

Journal: :Japanese journal of medical science & biology 1993
M Yamaoka E Konishi

Sera collected from 2,564 inhabitants of different areas in Hyogo Prefecture, Japan, were examined for antibody to Toxoplasma gondii by enzyme-linked immunosorbent assay. The overall prevalence rates of male (11.6%) and female populations (7.6%) were significantly different (P < 0.001). The prevalence also depended on age of the population. Of 11 districts three, being far from the sea and occu...

Journal: :desert 2014
mohammadali zare chahouki asghar zare chahouki arash malekian reza bagheri fahraji s.a. vesali

rainfall is considered a highly valuable climatologic resource, particularly in arid regions. as one of the primaryinputs that drive watershed dynamics, rainfall has been shown to be crucial for accurate distributed hydrologicmodeling. precipitation is known only at certain locations; interpolation procedures are needed to predict this variablein other regions. in this study, the ordinary cokri...

بروشکه, ابراهیم, سکوتی اسکوئی, رضا, نیک کامی, داود,

Rainfall erosivity is one of the major factors of soil erosion that expressed as some indices. The objective of this study is to determine the appropriate rainfall erosivity index in West Azarbaijan in relation to soil loss at the erosion standard plates. After recording the rainfall amounts in a certain time periods, erosivity indices calculated and appropriate index was selected for the area....

Journal: :The Science of the total environment 2015
Panos Panagos Cristiano Ballabio Pasquale Borrelli Katrin Meusburger Andreas Klik Svetla Rousseva Melita Perčec Tadić Silas Michaelides Michaela Hrabalíková Preben Olsen Juha Aalto Mónika Lakatos Anna Rymszewicz Alexandru Dumitrescu Santiago Beguería Christine Alewell

Rainfall is one the main drivers of soil erosion. The erosive force of rainfall is expressed as rainfall erosivity. Rainfall erosivity considers the rainfall amount and intensity, and is most commonly expressed as the R-factor in the USLE model and its revised version, RUSLE. At national and continental levels, the scarce availability of data obliges soil erosion modellers to estimate this fact...

2010
Fiona L Paton F. Paton G. Dandy H. Maier

The intrinsic link between the urban water cycle and climate variables, in particular rainfall, is forcing water supply managers to revise future water plans to incorporate the likely impact of climate change. However, there is great uncertainty surrounding how climate change will affect urban water security due to difficulties in projecting rainfall and the variability in rainfall projections ...

2007
PRATAP SINGH S. K. JAIN

Streamflow in the Himalayan rivers is generated from rainfall, snow and ice. The distribution of runoff produced from these sources is such that the streamflow may be observed in these rivers throughout the year, i.e. they are perennial in nature. Snow and glacier melt runoff contributes substantially to the annual flows of these rivers and its estimation is required for the planning, developme...

2015
Robert Kennedy Smith

Southeast Texas houses a precipitation transition zone between drier conditions to the North and West and some of the wettest parts of the continental U.S. to the East. The Region has seen an increase in its reported normal annual precipitation totals in recent decades. In order to determine if the additional rainfall has been influenced by warming temperatures or is within the variability of t...

2003
Ian C. Jones Jay L. Banner

[1] The hydrology and geochemistry of groundwater in tropical island aquifers, such as on Barbados, are significantly influenced by tropical climatic conditions. Recharge to these aquifers is the product of regional and local climate patterns that control rainfall. Oxygen isotopes can be used to estimate the amount and timing of recharge on these islands because seasonal fluctuations of rainwat...

2013
Per-Erik Mellander Solomon G. Gebrehiwot Annemieke I. Gärdenäs Woldeamlak Bewket Kevin Bishop

During the last 100 years the Ethiopian upper Blue Nile Basin (BNB) has undergone major changes in land use, and is now potentially facing changes in climate. Rainfall over BNB supplies over two-thirds of the water to the Nile and supports a large local population living mainly on subsistence agriculture. Regional food security is sensitive to both the amount and timing of rain and is already a...

Journal: Desert 2014

Rainfall is considered a highly valuable climatologic resource, particularly in arid regions. As one of the primaryinputs that drive watershed dynamics, rainfall has been shown to be crucial for accurate distributed hydrologicmodeling. Precipitation is known only at certain locations; interpolation procedures are needed to predict this variablein other regions. In this study, the ordinary cokri...

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