Last edited by Arashizahn
Tuesday, August 4, 2020 | History

2 edition of Year to year variations of some hydrological parameters in Kenya found in the catalog.

Year to year variations of some hydrological parameters in Kenya

H. Rodhe

Year to year variations of some hydrological parameters in Kenya

by H. Rodhe

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Published by Secretariat for International Ecology, Sweden in Stockholm, Sweden .
Written in English

    Places:
  • Kenya.
    • Subjects:
    • Hydrology -- Kenya.,
    • Rain and rainfall -- Kenya.

    • Edition Notes

      Bibliography: p. 7.

      Statementby Henning Rodhe.
      SeriesSIES report ;, no. 4
      Classifications
      LC ClassificationsGB805 .R63 1974
      The Physical Object
      Pagination8 p., [4] p. of plates :
      ID Numbers
      Open LibraryOL3096576M
      LC Control Number82200771

      Stephen J. Burges. University of Washington. Seattle, Washington. Much of the discussion at the colloquium reminded several members in the audience of the debate in the research community about the ''Hurst phenomenon'' which occupied some extremely thoughtful scientific hydrologists and water resource engineers for a year period after Hurst's book summarizing his findings was published. The sign of the observation-based annual trend in ET (for example, ± mm year −2, P year −2, P year −2, P = ; table S2). In contrast to ET trends.

      resources in Kenya are very unevenly distributed, both across, but also within, Kenya’s five major catchment areas (see Figures 3 and 4 for maps of the catchments and the corresponding major water sources, or “water towers,” of Kenya). Figure 2: National water gap analysis 0 5, 10, 15, 20, 25, Domestic Industrial Irrigation. The aim of this study was to determine if remotely sensed data and Digital Elevation Model (DEM) can test relationships between Culex quinquefasciatus and Anopheles gambiae s.l. larval habitats and environmental parameters within Internally Displaced People (IDP) campgrounds in Gulu, Uganda. A total of 65 georeferenced aquatic habitats in various IDP camps were studied to compare the larval.

        Table 1 Summary of fluxes and element ratios and yields (i.e. fluxes expressed per unit are of the catchment) measured in the Oubangui River at Bangui during two subsequent hydrological years. According to the records of Hydrologic Year-book, there are 5 large sized reservoirs and 22 medium sized reservoirs, whose total storage volumes range from × 10 6 to × 10 8 m 3 (due to the size of the paper, only part of the reservoirs are listed in Table 3). It can be seen that most of the reservoirs were built during the s and.


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Year to year variations of some hydrological parameters in Kenya by H. Rodhe Download PDF EPUB FB2

For some meteorological parameters it is quite easy to understand their daily cycle. For example, the temperature cycle is normally a simple curve with a minimum value shortly after sunrise and a maximum in the early afternoon.

The yearly cycle of a meteorological parameter can be. Location: Water Resources Authority (WRA), NHIF Building, 9th Floor Wing B, Upper Hill, Ragati Road, Nairobi Address: Nairobi, Kenya Telephone: + 20/9 Fax: + 20 Email: [email protected] 24 Hour Emergency Line: Different hydrological conditions were simulated to evaluate the natural variability of this river/wetland system: a typical dry year, an extreme wet year (el Niño), the sampling years of the present study, and the minimum and maximum historical conditions.

We explored the impact of varying social and hydrological connectivities (parameters α, β, r) on the sustainability of transmission for the network in figure 2. We note that increased throughput rate r enhances inter-village connectivity, while the exponents α.

The process of predicting water quality over a catchment area is complex due to the inherently nonlinear interactions between the water quality parameters and their temporal and spatial variability.

The empirical, conceptual, and physical distributed models for the simulation of hydrological interactions may not adequately represent the nonlinear dynamics in the process of water quality Author: Yashon O.

Ouma, Yashon O. Ouma, Clinton O. Okuku, Evalyne N. Njau. Understanding the spatiotemporal distribution of future droughts is essential for effective water resource management, especially in the Mediterranean region where water resources are expected to be scarcer in the future.

In this study, we combined meteorological and hydrological drought indices with the Soil and Water Assessment Tool (SWAT) model to predict future dry years during two periods. Some numerical models are now equipped with a semi-automated or automated procedure to optimize one or multiple parameters.

The range of adjustment to values of hydrologic and hydraulic parameters must be constrained by plausible site-specific field data such as streamflow, water levels, hydraulic conductivity, and so on.

s during (). The highest water yield in the catchment is expected to be in the year while the lowest water yield is expected to be in the year From this study it was concluded that changing climate could have an impact on water and the obtained results could be.

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): It is evident from experiences in Kenya that rainwater could be the long awaited answer to water scarcity in the next millennium. However, some technical and policy hindrances need to be addressed.

Lack of appropriate technical designs, among other factors, has led to low adoption of rainwater harvesting technology. HYDROGEOLOGY LECTURE NOTES PRINTED ON 5 MAY 1 Chapter 1 – Introduction to Hydrogeology The Properties of Water Pure water (H 2O) is: Clear, colorless - No discernable taste or smell - At 1 atmosphere.

3 Variations of Existing Glaciers. A Guide to International Practices for their Measurement. 4 Antarctic Glaciology in the International Hydrological Decade. 5 Combined Heat, Ice and Water Balances at Selected Glacier Basins. A Guide for Compilation and Assemblage of Data for Glacier Mass Balance Measurements.

6 Textbooks on Hydrology. When relatively loose thresholds (i.e. % and %) were used, the selection of the hydrological model parameters became more significant. Hydrological Hazards Other hydrological phenomena - Water level rising upstream or falling downstream - Landslides or avalanches into water bodies - Waterspouts - Variation of groundwater levels - Subsurface freezing of supercooled water Considerable damage can be caused to safety related structures, systems and components by the.

The HRUs provide opportunity to include processes for possible spatial and temporal variations in model input parameters. The hydrologic module of the model quantifies a soil water balance at each time step during the simulation period based on daily precipitation inputs.

A History of the Hydrological Yearbooks. Publication of river flow data for Great Britain started with the series of Surface Water Yearbooks.

The first edition, which was published in for the water-year (October-September)also included selected data for the previous fifteen years; the edition for followed in 1 day ago  Estimation and simulation of the flow regime and hydrologic indices require longer time periods, especially for annual time series, which can ensure natural climate variability is included in model calibration and evaluation [1,2].Calibration of hydrologic models for long-term simulations is done with objective functions on observed daily mean flows, monthly mean flow, and/or peak flows across.

Download Handbook of Hydrology By David R. Maidment – Introducing Hydrology’s New Benchmark Reference Here’s the first book in nearly 30 years to provide comprehensive coverage of the current state of hydrologic knowledge and practice–saving you hours of time tracking down the latest techniques in professional nt’s Handbook of Hydrology includes the contributions of.

Fig. displays the year-to-year variation of average temperature for the period from to in Northwest Bangladesh. It shows a slight increase in temperature.

The year-to-year change in temperature was substantially larger than the long-term average, with fluctuations up to plus or minus 1°C. 3 module 1 Box Enhanced greenhouse. No significant trends in invertebrate community composition were found in any of the streams over the year period so, despite the apparent importance of hydrological and hydrochemical variation.

Some of it evaporates, returning to the atmosphere, some seeps into the ground, and the remainder becomes surface water, traveling to oceans and lakes by way of rivers and streams. it was observed that the major variations in hydrological parameters were observed in Asia North and South America.

Ground water year book., Faridabad. About the precision of hydrological parameters used on elaboration of hydrological synthesis, In:,Spiru Haret" University Year Book-Geography series, Vol. 3,ISSNBucharest ***() Atlas of water cadastre in R.S.R., vol.

1, Hydrographic network, State Comision of Water, Bucharest.However, hydrological modelling has some uncertainties either in input or model parameter, which affects accuracy and efficiency of a model [11, 12].

The poor spatial distribution of basic input and model parameters data in hydrological modelling such as precipitation, evapotranspiration, infiltration and runoff can affect the model accuracy.Kenya. Four hydrological characteristics – water yield, groundwater recharge, baseflow and flow regulation - were determined and mapped throughout the basin for three year time periods:and Results show a spatial heterogeneity with clear differences between the upper, middle and lower basins.