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Mean Monthly Seasonal and Annual Pan Evaporation

dataset Mean Monthly Evaporation Atlas for the

Sources of data,analyses of the maps,and limitation on their use are described.TR-34 This publication is a compilation of monthly,seasonal,and annual averages of estimated pan evaporation based on observations from Class A pans and on meteorological measurements by the National Weather Service (NWS) and cooperating agencies.dataset Mean Monthly Evaporation Atlas for theSources of data,analyses of the maps,and limitation on their use are described.TR-34 This publication is a compilation of monthly,seasonal,and annual averages of estimated pan evaporation based on observations from Class A pans and on meteorological measurements by the National Weather Service (NWS) and cooperating agencies.Water-Use Estimates Based on Open-Water Evaporation and The 3-year mean annual water use in Sump 1B was approximately 11,400 acre-ft.The 3-year mean annual water use in Sumps 2 and 3 was approximately 16,000 and 31,900 acre-ft,respectively.Most of Sumps 2 and 3 are managed for grain.Water use in these units was based on the annual evapotranspiration rate of 2.5 ft.

WRCC Comparative Table

The pan water level reading is adjusted when precipitation is measure to obtain the actual evaporation.Most Class A pans are installed above ground,allowing effects such as radiation on the side walls and heat exchnges with the pan material.These effects tend to increase the evaporation totals.WRCC Comparative TableThe pan water level reading is adjusted when precipitation is measure to obtain the actual evaporation.Most Class A pans are installed above ground,allowing effects such as radiation on the side walls and heat exchnges with the pan material.These effects tend to increase the evaporation totals.Trends of Calculated and Simulated Actual Evaporation in The mean annual precipitation over the whole of the Yangtze River basin in the same period of time is 1106.9 mm.According to the water balance method (precipitation minus runoff),the calculated regional mean annual evaporation is 583.8 mm.The mean annual actual evaporation estimated by the AA model is 579.2 mm.

Trend Analysis in Annual and Monthly Pan Evaporation and

For US Class A pan over a seven year period,for annual totals,the pan coefficient was 0.7,with a strong monthly variation in the pan coefficients which varied between 0.47 and 1.18 [40] .The variability in annual mean Kpan revealed that it might be better to use monthly mean Kpan for water resources management accuracy and sustainability.Spatially distributing monthly reference May 30,2007 Mean Monthly Seasonal and Annual Pan Evaporation#0183;Spatially distributing monthly reference evapotranspiration and pan evaporation considering topographic influences. E pan and K pan were extracted.Next,the mean monthly values for each 100 m resolution grid-cell were calculated, There was a slight seasonal trend in mean bias,with E pan_e being larger than the measured E pan values in Related searches for Mean Monthly Seasonal and Annual Ppan evaporation ratespan evaporation rates californiaPrevious123456NextEvaporation Gridded Average monthly and annual Mean monthly and mean annual evaporation grids.The grids show evaporation values across Australia in the form of two-dimensional array data.The maps show the average amount of water which evaporates from an open pan each month,season and annually.Evaporation is measured by the use of a class A evaporation pan.

Related searches for Mean Monthly Seasonal and Annual P

pan evaporation ratespan evaporation rates california12345NextEvaporation in Average Year - Maps - Evaporation - EvaporationMaps for each month use a 15 year average (1985-1999) to show what average annual evaporation is like.The rate at which evaporation takes place is influenced by temperature,sunshine,wind and the humidity of the air with temperature and sunshine being the most important.Related searches for Mean Monthly Seasonal and Annual Ppan evaporation ratespan evaporation rates californiaRecent variations and trends in pan evaporation over IndiaKey words Annual evaporation,Seasonal evaporation,Monthly evaporation,Evaporation trends,Evaporation over India.1.Introduction Evaporation plays a major role in the redistribution of thermal energy between the earth and the atmosphere,and is an essential part of the hydrological cycle.Any

Rainfall as an Energy Source

[8] R.Farnsworth and E.Thompson,Mean Monthly,Seasonal,and Annual Pan Evaporation for the United States, U.S.national Oceanic and Atmospheric Administration,NOAA Technical Report NWS 34,December 1982.[9] L.Ortolano and K.Kao Cushing,Grand Coulee Dam and the Columbia Basin Project,USA, World Commission on Dams,November 2000.Rainfall as an Energy Source[8] R.Farnsworth and E.Thompson,Mean Monthly,Seasonal,and Annual Pan Evaporation for the United States, U.S.national Oceanic and Atmospheric Administration,NOAA Technical Report NWS 34,December 1982.[9] L.Ortolano and K.Kao Cushing,Grand Coulee Dam and the Columbia Basin Project,USA, World Commission on Dams,November 2000.Pan evaporation timeseries graphsAustralian and regional high-quality pan evaporation timeseries are available from 1975 for annual,seasonal and monthly evaporation totals,as well as for southern and northern wet season totals.Prior to 1970 Australia's evaporation pan network was too sparse for meaningful analyses.The size of

Pan and Lake Evaporation in Pennsylvania.National

Mean annual lake evaporation following the same general pattern,varies from about 36 to less than 24 inches.Mean monthly and seasonal values,90% probability limits,and observed extremes were summarized for six stations with long-term records.Highest mean monthly pan evaporation occurs in July,ranging from about 5.5 to 7.5 inches.OHD/HL/DMIP2 - EvaporationFREE WATER SURFACE EVAPORATION DATA (PE) Background Koren et al.(1998) used information from seasonal and annual Free Water Surface (FWS) evaporation maps in NOAA Technical Report 33 (Farnsworth et al.,1982) and mean monthly station data from NOAA Technical Report 34 (Farnsworth and Thompson,1982) to derive parameters for an equation that predicts seasonal variability of meanMeasurements of actual and pan evaporation in the upper Jul 25,2013 Mean Monthly Seasonal and Annual Pan Evaporation#0183;There have,though,been very few comparisons of pan and lysimeter evaporation on a daily or twoday time scale.Brutsaert reports on a comparison of mean monthly evaporation from a class A pan and evaporation from grass.A pan coefficient or correction factor of 0.8 was produced,and this raises a question regarding the effect of both pan

Mean monthly,seasonal,and annual pan evaporation for

Get this from a library! Mean monthly,seasonal,and annual pan evaporation for the United States.[Richard K Farnsworth; Edwin S Thompson; United States.National Weather Service.]Mean monthly,seasonal,and annual pan evaporation forGet this from a library! Mean monthly,seasonal,and annual pan evaporation for the United States.[Richard K Farnsworth; Edwin S Thompson; United States.National Weather Service.; United States.National Oceanic and Atmospheric Administration.]Mean Monthly,Seasonal,and Annual Pan EvaporationMEAN MONTHLY,SEASONAL,AND ANNUAL PAN EVAPORATION FOR THE UNITED STATES Richard K.Farnsworth and Edwin s.Thompson Hydrologic Research Laboratory National Weather Service,NOAA Silver Spring,Maryland INTRODUCTION This publication is a compilation of monthly,seasonal,and annual averages of

Mean Monthly and Annual Evaporation From Free Water

evaporation amounts,wind movement~ air temperature,precipitation,and in a few cases,pan water temperature,for the stations listed herein,in general are published in Climatological Data for the .respective states or sections o Only mean monthly and annual evapora Mean Monthly Seasonal and Annual Pan Evaporation#173; tion based on records of five years or more prior to January 1,1949,are re Mean Monthly Seasonal and Annual Pan Evaporation#173;Mean Evaporation over Canada - NASA/ADSMean monthly and annual maps of evaporation over Canada have been prepared,and examples are presented.The maps represent time and space averages of evaporation from natural open water bodies having negligible heat storage.The analysis is based on 5-year class A evaporation pan data supplemented by 10-year climatologic data from 100 stations across Canada.Mean Evaporation over Canada - Ferguson - 1970 - Water Mean monthly and annual maps of evaporation over Canada have been prepared,and examples are presented. The Christiansen formula is shown to be superior to other formulas tested for approximating pan data from other standard climatologic observations.The analysis takes account of the seasonal effects of freezeup and breakup on the

File Size 2MBPage Count 91Mean Monthly,Seasonal,and Annual Pan Evaporation

Mean Monthly,Seasonal,and Annual Pan Evaporation for the United States Richard K.Farnsworth and Edwin S.Thompson .Office of Hydrology National Weather Service Washington,D.C.December 1982 .U.S.DEPARTMENT OF COMMERCE .Malcolm Baldrige,Secretary National Oceanic and Atmospheric Administration John V.Byrne,AdministratorEvapotranspiration and evaporation data for Georgia Jul 29,2016 Mean Monthly Seasonal and Annual Pan Evaporation#0183;Pan evaporation data for Georgia stations (in inches) Source NOAA Technical Report NWS 34,Mean Monthly,Seasonal,and Annual Pan Evaporation for the United States,Richard K.Farnsworth and Edwin S.Thompson,December 1982 .Estimated monthly values for NWS sites.Evaporation in Average Year - Maps - Evaporation -Maps for each month use a 15 year average (1985-1999) to show what average annual evaporation is like.The rate at which evaporation takes place is influenced by temperature,sunshine,wind and the humidity of the air with temperature and sunshine being the most important.

Evaporation From The 17 Western States

Evaporation rates were taken from the map of Kohler,; T ordenson,and Baker (1959) ; the western part of which is i nroduced in this report at a larger scale.It shows iso-) Mean Monthly Seasonal and Annual Pan Evaporationgt;ths of annual lake evaporation,derived from available r Mean Monthly Seasonal and Annual Pan Evaporation#171;aporation-pan data and computed from meteorological rec-Evaporation Gridded Average monthly and annual Mean monthly and mean annual evaporation grids.The grids show evaporation values across Australia in the form of two-dimensional array data.The maps show the average amount of water which evaporates from an open pan each month,season and annually.Evaporation is measured by the use of a class A evaporation pan.Evaporation Gridded Average monthly and annual Mean monthly and mean annual evaporation grids.The grids show evaporation values across Australia in the form of two-dimensional array data.The maps show the average amount of water which evaporates from an open pan each month,season and annually.Evaporation is measured by the use of a class A evaporation pan.

Dependence of mean and peak streamflow on basin area in

Basin area is the primary control on both mean and peak streamflows,but relationships vary with regional meteorological conditions.Rich historical data sets permit deduction of these relationships for most areas of the United States,revealing both expected and unexpected correlations.On log-log plots,mean flows for most basins with Mean Monthly Seasonal and Annual Pan Evaporationgt;75 cm/y rainfall have unit slopes,with the y-intercept Data Publications National Centers for Environmental The July issue also contains monthly heating degree days and snow data for the preceding July through June.The annual issue contains monthly and annual averages of temperature,precipitation amounts,temperature extremes,freeze data,soil temperatures,evaporation,and a recap of monthlyClimate and average monthly weather in Bulawayo,ZimbabweThe best time of year to visit Bulawayo in Zimbabwe.Here are some average weather facts we collected from our historical climate data During the month of April,May,June,July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20 degrees Celsius (68 Mean Monthly Seasonal and Annual Pan Evaporation#176;F) and 25 degrees Celsius (77 Mean Monthly Seasonal and Annual Pan Evaporation#176;F).

Climate and average monthly weather in Bulawayo,Zimbabwe

The best time of year to visit Bulawayo in Zimbabwe.Here are some average weather facts we collected from our historical climate data During the month of April,May,June,July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20 degrees Celsius (68 Mean Monthly Seasonal and Annual Pan Evaporation#176;F) and 25 degrees Celsius (77 Mean Monthly Seasonal and Annual Pan Evaporation#176;F).Catalog Services - USGSSources of data,analyses of the maps,and limitation on their use are described.TR-34 This publication is a compilation of monthly,seasonal,and annual averages of estimated pan evaporation based on observations from Class A pans and on meteorological measurements by the National Weather Service (NWS) and cooperating agencies.Average pan evaporation mapsAustralian average pan evaporation maps are available for annual and seasonal evaporation.Long-term averages have been calculated using all records that are least 10 years long during the non-standard period 1975-2005.A non-standard normal period was used to increase the number of stations

Author NwsPublish Year 2005Evaporation Average Monthly Annual Evaporation

Evaporation is the amount of water which evaporates from an open pan called a Class A evaporation pan.The rate of evaporation depends on factors such as cloudiness,air temperature and wind speed.Measurements are made by the addition or subtraction of a known amount of water,which then tells us how much water has evaporated from the pan.(PDF) Trend Analysis in Annual and Monthly Pan Evaporation Mann-Kendall test of the monthly pan evaporation trends at Lome,Tablogbo,Atakpame and Sokode.+1 Z statistics and Sen's slope for long term monthly Kpan at Lome,Tabligbo,Atakpame and Sokode.(PDF) Estimating evaporation from water surfacesMean monthly,seasonal,and annual Class A pan evaporation for individual stations throughout the United States have been tabul ated by Farnsworth and Thompson (1982) and Farnsworth et al.(1982) .

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