Mapping water allocation in South Africa

Combining remote sensing and economic analysis to assess water productivity

This project aims to demonstrate a model fed with satellite data to provide a clear picture of actual water consumption by agriculture and the natural environment in South Africa. Changes in water allocation can be converted into social, economic and environmental impacts.

Location

Africa, South Africa
Cape Town, Cape Town
-30.559482, 22.937506

Focus areas

Clean water
Category: Water for food and nature

Land & water
Category: Water for food and nature

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Deliverables
  • New product to determine the impact of water allocation.
Goals

To acquire an insight into the social, economic and environmental impacts of various options for water allocation. The Department of Water Affairs and Forestry and the Catchment Management Agencies can use these insights in decision-making on water allocation.

Details of project plan

With the aid of SEBAL (Surface Energy Balance Model) satellite photographs, the actual water consumption of user groups in agriculture (large and small-scale landowners) and the ecological demand for water can be measured and calculated.

Alternative formulas for water allocation can be evaluated by examining their impact on food production, social equality and environmental flows.

Linking SEBAL to economic analyses essentially creates a new product that makes clear the social and economic impacts of water allocation. This can lead to changes in water allocation.

Spin off and market impact

LEI and WaterWatch will continue to cooperate, seeking to apply the new tool, together with the Catchment Management Agencies and the Water Research Commission in other regions in South Africa, and to expand into Mozambique and Swaziland.

In South Africa there is great demand for regional integrated water management plans, while water allocation is a hot issue worldwide. Dutch companies could implement similar projects in India, for example. New clients are attracted by a publication on the analysis.

In South Africa, research institutes and the agriculture ministry are showing growing interest in working with SEBAL. South African universities also wish to conduct joint research activities with the consortium partners.

The consortium has also been approached by companies about the possibility of joint ventures or public-private partnerships.

Project status

Complete

Time line

Start date: 01-Jan-2006

End date: 01-Sep-2006

Lead partner


Logo of LEI

LEI

Knowledge institution

Project partners


Logo of Partners for Water

Partners for Water

Governmental