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Saturday, October 13, 2012

Neisha AFL


Water Consumption in GCC Countries (Kuwait) and a comparison to Africa.

Water is essential for all forms of life and is a fundamental resource for human survival and socio-economic development besides for maintaining healthy ecosystems. There is a consent rise in the demand of water; it is rapidly becoming a scarce resource of countries in the arid and semi arid regions.
GCC countries are a part of water competitive world and water deficit grows larger with each year, making it potentially more difficult to manage. Conventionally available water supplies on renewable basis in these countries are simply insufficient to meet the increasing water demands of the present modes of economic activities and resource exploitation. The six counties that comprise the GCC occupy a total land area of 2.7 million km2 and their combined population is currently over 30 million.

The increased pressure on water resources due to
  1. Population growth- demanding not only more water for food, but also inducing changes in hydrological cycle,
  2. Changes in life style and urbanization
  3. Climate change, lead to water scarcity and increased competition for water between agriculture, industries and the rapid growing cities. Water tables are now falling in most of the arid and semi-arid region of the world.

 GCC Countries 


Figure 1. Percentage of water use by source (Year 2002)
In The graph we can see that over the years and the years to come that as population increases, there is an increase in the water usage. In 1950 when the population was below 5 million the water consumption was less then 5 billion m3 by 1997 the population had shot up to more then 20 million people and the water consumption was more then 25 m3 .


 


In table 1 we see the amount of ground water and the surface water that is pumped out from each of the GCC country. Saudi Arabia has the highest population and in order to compensate with the population they pump a total of 6,080 and in contrast to that Qatar with the least population pumps a total of 86. 4.This shows how population and the amount of water pumped go together.

Escalating water demands due to the population for the past 20 years in GCC countries has led to severe pumping and overdraft of the local groundwater aquifers with limited extent and limited annual recharge. These aquifers have been exposed in several locations to unacceptable levels of piezometric declines and seawater intrusions with disastrous environmental and socioeconomic impacts.
Surface water supplies to remedy the resulting deteriorating situation, the only available options are limited to the followings:
(1) Expanding groundwater exploitation in newly developed, previously untapped, aquifers;
(2) Investing in large scale seawater desalination technology; and
(3) Importing and transferring water from neighboring countries


Table 4 consists of all the GCC countries and projections of how the population has and will grow in the coming years . It also shows the percentage ration increase with the comparsion of 1995 and 2025.

Table 5 consists of how much water in million cubic meters is pumped out for what different sectors for all the GCC countries separtely.

Table 4 and 5 can be put as a comparsion this shows how when population increases the demand for water increase espically in the domestic sector.  The agriculture and industry sector increased their demand for water more industries were built and more farm lands were made to help feed the population.


 


  
KUWAIT
Importing water from Karkheh Dam to Kuwait
In 2003, an agreement was signed between Iran and Kuwait to export water from Karkheh Dam to Kuwait. The plan on the transfer of Iran’s water to Kuwait was brought to public attention in year 2000 and a group made up of British, Kuwaiti and Iranian companies took responsibility for drawing the plan and the executive operations.
According to the proposed plan, Iran’s water will be transferred to Kuwait via a 540 km long pipeline. A 330km pipeline is to carry the fresh water to the farthest point on the bank of the Arvand River, located in Abadan, the capital of the province, and will be extended about 210km toward the coast of Kuwait under the sea. This pipeline will supply Kuwait with 900,000 cubic meters of fresh water per day (10 cubic meters per second) from Karkheh Dam, which is located in southern oil rich province of Khuzestan, through the projected pipeline for 30 years. Based on the preliminary estimations, the project will cost 1.5 billion dollars and the revenue gained by Iran will apparently be spent on the construction of new dams and water installations in Iran (Dawoud, 2006).

Kuwait, officially the State of Kuwait is a sovereign Arab state situated in the north-east of the Arabian Peninsula in Western Asia. It lies on the north-western shore of the Arabian Gulf and is bordered by Saudi Arabia to the south and Iraq to the north . (Extracted from Wikipedia)

The Main water issues in Kuwait: -

  1.     The rapid population growth
  2.     High levels of per capita consumption
  3.     Low reuse of treated waste water






Water Mangament in Africa
 South Africa is located, as one might expect, on the southern tip of Africa. It is bordered by the Atlantic Ocean on the west, the Indian Ocean on the south and east. Along its northern border, from west to east, lie Namibia, Botswana, and Zimbabwe, and to the northeast are Mozambique and Swaziland. Wholly-enclosed by South Africa, and situated in its eastern central plain, is the independent kingdom of Lesotho. (Taken from http://www.geographia.com/south-africa/)

Among the challenges currently facing Africa, perhaps none is more important, nor more often overlooked, than the threat to the continent's supply of clean, fresh water. In most African sub-regions water is relatively scarce; throughout the continent, even where the supply itself is adequate in quantitative terms, the quality of the water is in serious decline. It is common knowledge that water is an essential resource for life on earth.
What is unfortunately far less common is the knowledge of how to tend to this resource properly to ensure its availability for future generations.
The threats to Africa's lakes, rivers, and wetlands come in several forms, among them eutrophication, salinization, and pollution from industrial effluents and chemical run-off, and extend to broader ecosystem concerns, including exotic weed infestation, declining fish populations, habitat destruction, and loss of biodiversity. Most if not all of these effects, however, can be traced to a generalized single cause: Human activity. The introduction of alien fish species, devegetation of catchment areas, use of pesticides, and disposal of wastes, to name a few examples, driven by a variety of competing human needs, have severely impacted these finely balanced ecosystems; current usage patterns are simply unsustainable. Research can help us understand the chemistry, biology, and physics of the relevant interactions; at least as challenging are the contextual socioeconomic factors, such as population pressure, poverty, and North-South economic relationships, which lie at the heart of the matter.


Continuing human population growth, and the attendant increased demand for freshwater, are leading inexorably to what may be called a world water crisis. In a microcosm, this growing competition is nowhere exemplified more graphically than in the Southern African Development Community (SADC), a region encompassing 12 countries, including Angola, Botswana, Lesotho, Malawi, Mauritius, Mozambique, Namibia, South Africa, Swaziland, Tanzania, Zambia, and Zimbabwe. Seven of the principal river basins of Southern Africa the Zaire, Zambezi, Okavango, Limpopo, Orange, Ruvuma, and Cunene, with a total catchment area of 6.76 million square kilometers (km2) are shared by at least two of the 11 countries (Mauritius is excluded).


The table here shows us the current trends in population growth offer a bleak prognosis for meeting the escalating demand for water. Total Fertility Rates (TFRs), the average number of children a woman bears in her lifetime at the current birth rate, ranged from 4.1 in South Africa to 6.7 in Malawi in 1995, for a regional average of 5.6 (Table 2). However, the average Crude Death Rate (CDR), the number of deaths per 1,000 of the population, was estimated at 2.7 for the same period (Population Reference Bureau, 1995). This combination of high fertility with low mortality has generated an average annual population growth rate of three percent in the region, for the period 1990-1995.


As shown in Table 4, if Zimbabwe, Botswana, South Africa, or Namibia adopts a long-range, strategic perspective regarding its water supplies, these countries will be competing for regional waters within the next 25 years. Furthermore, an increase of 25,000 irrigated hectares in one of the basin states would translate into water requirements that are above the minimum recorded flow of the Zambezi.

Pollution of Water Resources
Of major threat to the Zambezi Basin is pollution from industrial and domestic sewage effluent from the main urban centers in the region: Livingstone (population, 100,000); Victoria Falls (25,000); Kariba (30,000); and Siavonga (20,000). Other growing population centers are Binga, Kabane, Katima Mulilo, and Chirundu. Further from the river but within the Zambezi Basin are large cities, including Lusaka and Harare. In the case of Livingstone, liquid waste from several population centers is discharged untreated into the Zambezi. As a large flowing river, the Zambezi can purify itself. However, as the number of dams increases, creating standing waters, the situation may change. Effluent collecting in the reservoirs may lead to eutrophication problems.
The effects of pollution are already evident. As shown in Table 6, the percentage of the population in both rural and urban areas in the region who have access to safe water is less than 100 percent in all countries, except Botswana. In urban areas in particular, spontaneous settlement the consequence of rural-urban migration due to drought or conflict or both and the inadequacies of the urban management system mean that many are without adequate sewage and refuse disposal services. The resultant waste may then contaminate the available water supply by seeping into feeder streams.
Suggestions



Though the pollution of water resources has not created regional conflicts, there’s a likelihood of such conflict will exist in the future. The issue, however, has the potential of becoming a regional problem, particularly regarding pollution from heavy metals, as evidenced by the existence of DDT and heavy metals in Lake Kariba. The countries, therefore, need to cooperate in formulating and monitoring legislation to prevent an increase of such a contamination. This legislation should include the establishment of limits on the waste as well as high punishments offenders. To ease the pressure on demand for the waters in the basin, municipalities should consider using the option of recycling treated sewage waste before they are released into the sea or other water bodies. An example, instead of competing with consumers for drinking water, municipal gardens can be maintained with treated sewage effluent.
  •  Leakages constitute a significant source of water loss. These losses can    be minimized through the introduction of leak detection technology.
  •   The introduction of rational cost-pricing for water should be used to help curb the demand for water. As this will make people think twice before wasting water.
  • Many of the region's water-related problems are linked to the rapid expansion and urbanization of its population. Therefore, the attainment of sustainable population growth should become a priority for states within the region. Doing so will require the integration of population factors in water development projects.
  • Factors that should be considered are the fertility reduction; rural-urban migration; and the observance of standards of sanitation in all residential areas, SADC (Southern African Development Community) countries need to implement policies aimed at to retain their rural population.



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