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  • Articles  (4)
  • rainfall  (4)
  • Springer  (4)
  • American Physical Society (APS)
  • Blackwell Publishing Ltd
  • Elsevier
  • 1990-1994  (4)
  • Architecture, Civil Engineering, Surveying  (4)
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  • Articles  (4)
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  • Springer  (4)
  • American Physical Society (APS)
  • Blackwell Publishing Ltd
  • Elsevier
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Water resources management 6 (1992), S. 69-77 
    ISSN: 1573-1650
    Keywords: Irrigation ; model ; crops ; delta ; rainfall ; consumptive use ; evapotranspiration ; paddy ; correlation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: Abstract A case study of the Mahanadi-Kathjori-Devi delta of Orissa, India was undertaken for the formulation of irrigation water requirement models of some major crops. Principal crops such as paddy (both during the Kharif and Rabi Seasons), sugarcane, jute, chilly, mustard, groundnuts, etc., which are mostly grown in the delta, were taken into account for the present study. Effective rainfall and irrigation water requirements are the two basic parameters of the developed models. The models help in predicting irrigation water requirements for different crops once the values of effective rainfalls are ascertained. This irrigation water requirement, estimated by models so developed, includes water requirements for consumptive use only and when any other water used for special requirements such as leaching, seed bed preparation, etc., is added to it, the total irrigation water requirement is determined. The models so developed can be used for the same crops grown in other areas having the same hydrometeorological characteristics.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Water resources management 4 (1991), S. 235-250 
    ISSN: 1573-1650
    Keywords: Spatial data analysis ; stochastic hydrology ; empirical orthogonal functions ; rainfall ; runoff
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: Abstract Empirical orthogonal functions (EOF) have been used to characterize spatial variability of daily and monthly rainfall and runoff in Indiana. Data from a few of the surrounding states have also been used in the analysis. After a brief discussion of the theory underlying EOF analysis, results of data analysis are presented. These results indicate that the data can be efficiently compressed and that hydrologically and meteorologically homogeneous areas can be objectively delineated by using EOF analysis.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Water resources management 5 (1991), S. 209-216 
    ISSN: 1573-1650
    Keywords: Flood forecasting ; unit hydrograph theory ; rainfall ; Veneto region ; Italy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: Abstract The paper describes three flood forecasting models used in the framework of the integrated hydrological forecasting system of the Veneto Region. The three models are based on the unit hydrograph theory, even though the computation of the “effective” rainfall and the real-time correction procedure are carried out in different ways. A comparison of the model performances is also made.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Water resources management 5 (1991), S. 281-287 
    ISSN: 1573-1650
    Keywords: Runoff-farming ; rainfall ; Sahel region ; West Africa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: Abstract Runoff-farming, a water harvesting technique, is the diversion of rain water from a collecting area to a cropping area, thereby increasing the quantity of water available for crop growth. This technique, applicable in various types, is regarded as necessary to secure and increase food production in semi-arid regions. Simultaneously it minimizes water erosion risk where it is applied. As the potential of runoff-farming has not been investigated, a methodology had to be developed to enable planners to identify suitable areas the most efficient way. Five main information sources are tapped: ground checks by various specialists, maps, data, aerial photographs and satellite images. The interpretation of the collected data yields in the quantification of the runoff water, the water requirements of the crops and the water storage capacity of the soil. All factors have to be validated and integrated into a decision model.
    Type of Medium: Electronic Resource
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