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2 edition of Consumptive use and net irrigation requirement estimates of monthly values for Oregon found in the catalog.

Consumptive use and net irrigation requirement estimates of monthly values for Oregon

Charles R. Dehlinger

Consumptive use and net irrigation requirement estimates of monthly values for Oregon

  • 176 Want to read
  • 18 Currently reading

Published by Agricultural Experiment Station, Oregon State University in Corvallis, Or .
Written in English

    Subjects:
  • Irrigation -- Oregon.,
  • Water consumption -- Oregon.

  • Edition Notes

    Statementby Charles R. Dehlinger, Darrel G. Watts, Marvin N. Shearer.
    SeriesSpecial report -- 194., Special report (Oregon State University. Agricultural Experiment Station) -- 194.
    ContributionsWatts, Darrell G., Shearer, Marvin N., Oregon State University. Agricultural Experiment Station.
    The Physical Object
    Pagination71 p. :
    Number of Pages71
    ID Numbers
    Open LibraryOL16092467M

    Public Value in the West Monthly Journal of Informa on Technology 80% of U.S. consumptive water use, and will be the likely water source well-designed pivot systems can achieve a 90% or higher efficiency range and will use 50% less water over fur-row irrigation systems. Leaving harvest residue can save a producer inches of water. Total withdrawals for all categories of use in were estimated to be billion gallons per day (Bgal/d), a level of withdrawal not reported since before Total withdrawals in were 9 percent less than in , continuing a sharp but steady downward trend since Freshwater withdrawals were also 9 percent less than in However, direct measurement of consumptive use of agricultural water is difficult - while irrigation water withdrawals are relatively easy to monitor, return flows are much more complicated. For this reason, information about irrigation water requirements often limits water allocation decisions, and the efficiency of water use. In. Average yearly WRB water budget for simulated historical scenario (). The amount of precipitation in the basin is shown on the left, and outflow of the Willamette River is shown on the right. Water use for irrigation and municipal is an estimate of water use from in-basin sources.

    Estimation of consumptive water use for irrigation is increasingly important as demand for water resources increases and water supplies become scarcer and/or more variable in time and space as a result of both land use change and climate fluctuation (e.g. Thomas ).File Size: 4MB.


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Consumptive use and net irrigation requirement estimates of monthly values for Oregon by Charles R. Dehlinger Download PDF EPUB FB2

CONSUMPTIVE USE AND NET IRRIGATION REQUIREMENT ESTIMATES OF MONTHLY VALUES FOR OREGON by Charles R. Dehlinger Darrell G. Watts Marvin N. Shearer INTRODUCTION Information on the consumptive use of water by crops is basic to the design of an efficient irrigation system.

The allocation of a portion of the water of a river basin. Computed Average Consumptive Use and Net Irrigation Requirements Table 4 lists the average monthly and seasonal con- In sumptive use and net theirrigation requirement for the principal crops grown in Oregon.

The data are tabu- Technical lated according to the areas given in Table 1. Crops listed in Table 4 are, in general, inthose given in Oregon. Administrative Report Or Publication Consumptive use and net irrigation requirement estimates of Consumptive use and net irrigation requirement estimates of monthly values for Oregon book values for Oregon Public Deposited.

Analytics × Add to Irrigation -- Oregon; Subject: Special report (Oregon State University. Agricultural Experiment Station) Rights Statement:Author: Charles R.

Dehlinger, Darrell G. Watts, Marvin N. Shearer. Consumptive use and net irrigation requirement estimates of monthly values for Oregon. Oregon Crop Water Use and Irrigation Requirements: Provides consumptive use and net irrigation requirements for economically important crops in 27 climatic regions in Oregon.

Computations are based on the modified Blaney-Criddle calculation method and climatic database information. calculated consumptive use. The net irrigation requirement divided by the field irrigation efficiency gives the seasonal irrigation require-ments of the crop.

Consumptive use varies with temperature and length of day. It has been found that this relationship may be expressed by the formula u = Kf, in which: u Monthly consumptive use in inches.

Monthly and seasonal grass reference ET estimates and consumptive use and consumptive irrigation requirement estimates are given at each of 67 locations (Tables 8 and 9). Mean, maximum, and minimum estimates are given for both ETr and CU and CIR.

Seasonal values of File Size: 4MB. Hence, Consumptive use, C u = cm Consumptive irrigation requirement, C.I.R = C u – R e = – = cm Field irrigation requirement, F.I.R = C.I.R/ η a = / = cm Problem Determine the volume of water required to be diverted from the head works Consumptive use and net irrigation requirement estimates of monthly values for Oregon book irrigate area of ha using the data given in the table Size: KB.

Computed normal monthly consumptive use and irrigation require- ments for grass-alfalfa near Caldwell, Idaho 29 Computed normal monthly consumptive use and irrigation water requirements for alfalfa for the major growing season, Altus area, Okla 30 Computed monthly consumptive use and irrigation requirement for.

This report gives a detailed over view version of the Irrigation Water Requirement Estimation Decision Support System (IWREDSS, ) – an ArcGIS-based numerical simulation model was developed to help estimate crop irrigation requirements for consumptive use permitting in Hawaii.

consumptive use requirements. If the water source has insufficient capacity, a reservoir may be needed to store the peak-period consumptive use requirements. The seasonal or monthly consumptive use values allow the needed storage size to be determined when the pumping rate of the well is known, the recharge rate of a ground water recharge pit isFile Size: KB.

In arid and semi-arid regions consumptive use is the best index for irrigation requirements. A large part of the irrigation water applied to farm land is consumed by Evapotranspiration (ET. irrigation diversions to overacres of farmland is estimated to have cost irrigators between $27 and $46 million (Oregon State University and University of California, ).

Irrigation Crop Water Requirement. This case study shows how to calculate the total water requirement for a command area (irrigation blocks) under various crops, soil textures and conveyance loss conditions. In order to evaluate the required irrigation gift for the entire command area a simple water balance has to be set-up.

This publication is intended to provide guidance in determining crop water requirements and their application in planning, design and operation of irrigation projects. Part presents suggested methods to derive crop water requirements. The use of four well-known methods for determining such requirements is definedFile Size: 2MB.

Consumptive-use estimates may or may not account for associated system efficiency losses (e.g., evaporation, deep percolation, and runoff) and salt-leaching requirements for a given crop, location, and irrigation system. Which estimate to use and how to use it are important in clarifying discussions of water use and policy.

Oregon Statewide Long-Term Water Demand Forecast Appendix C: Current and Projected Future Irrigation Water Requirements for Oregon State of Oregon Water Resources Department Summer Street NE, Suite A Salem, Oregon • - Net Irrigation Water Requirement (NIWR) is the volume or depth of water required, in addition to.

Part National Engineering Handbook Chapter 2 Irrigation Water Requirements (vi-NEH, September ) 2–i Preface 2–i Irrigation is vital to produce acceptable quality and. K c values derived from crop water use studies which used the FAO Penman equation to compute grass reference crop evapotranspiration, can therefore not be used and need to be adjusted using ET o values estimated from the FAO Penman-Monteith equation.

Similarly crop water requirement estimates based on the FAO Modified Penman equation will. "Consumptive Use and Net Irrigation Requirements for Ore- gon." Copies are available from the OSU Bulletin Room or from Oregon county Extension offices.

Oregon State Univ Extension Circular xtension Service Reprinted March Provides consumptive use and net irrigation requirements for economically important crops in 27 climatic regions in Oregon. Computations are based on the modified Blaney-Criddle calculation method and climatic database information.

Contains tables of: 1) The typical growing seasons of selected Oregon crops by region and 2) Cited by: 7. use ranked third ( Mgal/d). This irrigation consumptive use was estimated using the conventional percent coefficient.

If a more conservative consumptive-use coefficient of 78 percent were used ( assessment; Shiklomanov and Rodda, ), the estimated consumptive use for the Great Lakes States would be Mgal/ Size: 2MB.

Water Requirements for Major Crops. and consumptive use was studied by implementing two-year field experiment in Giza Agricultural Station, Giza, Egypt in /07 and /08 growing seasons.

Rice seasonal irrigation water requirements varied from to mm in Taiwan (Kuo et al., ), from to mm in the sub basin of Niger River in Benin (Bouraima et al., ). In the case of agriculture, the MWH report draws on USGS estimates (which in turn are based on USDA Census of Agriculture data) for irrigated acres by county and by crop.

Irrigation water demand is then estimated based on Net Irrigation Water Requirements. The normal monthly effective rainfall is related to average monthly consumptive use.

Net crop water requirement is obtained after subtracting effective rainfall from consumptive use requirement. The groundwater draft can thus be estimated by subtracting canal water released for the crops from the net crop water requirement.

A method based on reference evapotranspiration was used to estimate net landscape irrigation requirements. The total average water use was m3household−1day−1, with irrigation water use.

Using this information, the consumption of irrigation water can be estimated for most areas in Wyoming, and when the field irrigation efficiency and conveyance losses are known, the diversion requirement for irrigation can be estimated.

The consumptive use estimates. Blue and green water use by irrigated crops. Blue water use refers to the net irrigation water used by irrigated crops. Consumptive water use was km3/year during – It. Consumptive use from irrigation is from estimates made by the USGS (Portland).

This work is based on the Census of Agriculture, the Cooperative Extension Office at Oregon State University, the Oregon Agriculture and Fisheries Statistics, and an OSU Study of Crop Water Requirements. These uses are not percent consumptive.

The purpose of the study was to estimate monthly consumptive use, and net and total a gross irrigation requirements. The net irrigation requirement was based on the monthly consumptive use minus the monthly effective rainfall as determined by the soil conservation method (USDA-SCS, ).

Excel programs to calculate ET o using monthly, daily, or hourly data are available by clicking on the following: ET – Monthly ET o. ET – Daily ET o. ET - Hourly ET o.

CROP COEFFICIENTS. A WEB page that discusses the methodology used to develop crop coefficient values as used in the Consumptive Use Program is available by. DNR Methods Used for Historical Consumptive Use Calculations For determining historical consumptive use of irrigated acres that require only the consumptive use be transferred, the Department of Natural Resources will rely on the following procedures.

Figure 1. Net Corn Crop Irrigation Requirement (NCCIR) by County – NDNR May Our model predicts an increase in urban water use (summer outdoor) of 36, acre-feet for the six largest metropolitan areas in the basin. Due to the land-use changes accompanying growth, displacement of irrigated farmland offsets forty percent of this increase.

The net increase is estimated to be 21, acre-feet. Estimates of consumptive use and ground-water return flow using water budgets in Palo Verde Valley, California / (Tucson, Ariz.: Dept.

of the Interior, U.S. Geological Survey ; Denver, CO: Books and Open-File Reports Section [distributor], ), by Sandra J. Owen-Joyce, Steven L. Kimsey, Geological Survey (U.S.), and United States.

Bureau of. consumptive crop irrigation requirements, livestock water requirements, per employee water use, and per unit of product If the water-use estimates of values for the data ele-ments differ substantially from those reported duringGuidelines for Preparation of State Water-Use Estimates for File Size: KB.

(), estimates of evapotranspiration from pan data are generally recommended for periods of 10 days or longer. However, in Puerto Rico equations 8 and 9 are usually applied for periods of 2 to 4 days. In Puerto Rico, the Kp values commonly used were derived from a.

The developed model is MS excel sheet called “Irrigation Scheduling Calculator, ISC”. The model requires to input daily weather data to calculate daily evapotranspiration using Penman-Monteith. Water Use Data and Research.

Financial Assistance. Guidance. Background. Water managers across the United States require more complete, timely, and accurate water-availability information to support policy and decision-making, specifically, data associated with water withdrawals and consumptive use that are used to establish local and regional water budgets.

This manual provides Oregon assessors with cost data on residential buildings. Information is ar ranged for quick and easy reference to save time calculating cost estimates. The Oregon Department of Revenue publishes this manual to help achieve uniform assessment according to Oregon’s ad valorem tax laws (ORS (1)).

(Published - Master's Thesis -- Relationships Between Degree of Ponding and Uniformity of Soil Moisture Author of Consumptive Use and Net Irrigation Requirement Estimates of Monthly Values Title: General Certified Real Estate .Taking a similar approach as with the runoff and irrigation requirements, a region-wide estimate of domestic water requirement is shown in Fig 18 as a percent change, weighting each ASR value by population.

Compared to changes in irrigation requirement, domestic water requirement grows substantially percentage-wise, with an 80% to % by: OSU Special Collections & Archives Research Center. Limit your search Creator. Henderson, Robert W.

(Robert Wesley), OSU News Bureau Photo ; OSC News Bureau Photo ; Oregon .