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SamSamWater maakt informatie over water en sanitatie beschikbaar en toegankelijk voor iedereen.

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21 items gevonden in de categorieën:
Grondwater hydrologie

Verwijder zoekfilter.

Sand Dams: a Practical Guide


Simon Maddrell and Ian Neal, Excellent Development (2012)

This manual describes the process of siting, design, construction and management of sand dams. It is aimed at technical and programme management staff working in arid and semi-arid lands who are interested in trialling the application of sand dams in new areas. The manual draws upon the experience of constructing sand dams in Kenya, where the majority of the world’s sand dams are located. Its primary purpose is to capture this experience. (source)

Sand dams or silt traps?


Erik Nissen-Petersen, ASAL Consultants Ltd. (2011)

It has been known from the African Land Development Project (ALDEV) since the late 1950s, that the spillways of sand dams must be raised in stages not exceeding a height of 50 cm in order for floods to deposit coarse sand from where most water can be extracted. If a spillway is not built in stages, then silt will be deposited instead of sand and very little water, if any, can be extracted from such a sand dam - or is it a silt trap? (source)

Subsurface dams built of soil


Erik Nissen-Petersen, ASAL Consultants Ltd. (2011)

Paper on subsurface dams, their benefits and practical experiences with the planning, design and construction of subsurface dams. (source)

Artificial groundwater recharge for water supply of medium-size communities in developing countries


E.H. Hofkes and J.T. Visscher, International Reference Centre for Community Water Supply and Sanitation The Hague, The Netherlands (1986)

This document integrates material selected from many sources, both published and unpublished. The focus is on potential application of artificial groundwater recharge for water supply of medium-size communities.
The purpose of this document is to provide planners and engineers with practical information to assess the potential for application of artificial groundwater recharge schemes in rural water supply programmes or projects. (source)

A study to upscaling of the principle and sediment transport processes behind sand storage dams, Kitui District, Kenya


Cedrick Gijsbertsen, VU (2007)

A study on the upscaling of the sand storage dam and the sedimentation processes that occur in the surroudings of the sand storage dam. (source)

Analysis and Evaluation of Pumping Test Data


G.P. Kruseman, N.A. de Ridder, ILRI (1994)

A reference book on aquifer test analyses methods. The first chapter summarizes the basic concepts and definitions of terms relevant to the subject. The next chapter describes how to conduct a pumping test. The remaining chapters deal with the analysis and evaluation of pumping test data from a variety of aquifer types or aquifer systems, and from tests conducted under particular technical conditions. (source)

Basic Ground-Water Hydrology


Ralph C. Heath, USGS (1987)

A document with the basics on (groundwater) hydrology in well understandable language (source)
Categorieën:
Grondwater hydrologie

Drainage Principles and Applications


H.P. Ritzema, ILRI (1994)

A handbook with discussions and aspects on drainage systems (source)

Groundwater Hydrology


U.S. Army Corps of Engineers, U.S. Army Corps of Engineers (1999)

An overview and detailed description on the different steps to be taken to enhance a groundwater-related project (source)
Categorieën:
Grondwater hydrologie

Hydrology of Sand Storage Dams - A case study in the Kiindu catchment, Kitui District, Kenya


Lucas Borst, Sander de Haas, VU (2006)

This report reflects the results of a research project concerning the hydrology around sand storage dams. The Kitui district is one of the arid and semi-arid lands of Kenya. For (drinking)water most people heavily rely on water supply from the riverbeds of ephemeral rivers. SASOL is a local NGO which builds so called sand storage dams in ephemeral rivers to increase the water availability during the dry season. Sand storage dams are small (generally a few meters high) dams built in the riverbed behind which sand accumulates, enlarging the natural aquifer. The groundwater in the riverbed is obstructed by the dam and retained between the pores in the sand, making it available for people and animals during the dry season. (source)

Small Community Water Supplies: Groundwater Withdrawal (chapter 10)


Jo Smet, Christine van Wijk, IRC (2002)

(source)
Serie:
Small Community Water Supplies: Technology, people and partnership (alle items in deze serie)

Categorieën:
Technologie en methoden
Grondwater hydrologie

Small Community Water Supplies: Pumping (chapter 9)


Jo Smet, Christine van Wijk, IRC (2002)

(source)
Serie:
Small Community Water Supplies: Technology, people and partnership (alle items in deze serie)

Categorieën:
Technologie en methoden
Grondwater hydrologie

Small Community Water Supplies: Spring water tapping (chapter 8)


Jo Smet, Christine van Wijk, IRC (2002)

(source)
Serie:
Small Community Water Supplies: Technology, people and partnership (alle items in deze serie)

Categorieën:
Technologie en methoden
Grondwater hydrologie

Strategies for Managed Aquifer Recharge (MAR) in semi-arid areas


Ian Gale, UNESCO International Hydrological Programme, IAH (2005)

The document provides insight into implementing and managing aquifer recharge (MAR) as part of wider water management strategies and, together with other UNESCO-IAH activities. (source)

WHYMAP - groundwater resources maps per continent



Groundwater resources maps for each continent. These maps are also available for in the WHYMAP webviewer: http://www.bgr.de/app/fishy/whymap/.

WHYMAP - Web viewer



Online viewer of the groundwater resources maps. PDF versions of the maps can be downloaded here: http://www.whymap.org/nn_354300/whymap/EN/Downloads/Continental__maps/contimaps__node__en.html?__nnn=true.

WHYMAP - World-wide groundwater resources maps



Global maps of 'Groundwater Resources of the World' and Large aquifer systems of the world (scale 1:25,000,000 to 1:50,000,000).