Inland Valley Wetland Cultivation and Preservation for Africa’s Green and Blue Revolution Using Multi-Sensor Remote Sensing

Gumma, M K and Thenkabail, P S and Mohammed, I A and Teluguntla, P and Dheeravath, V (2015) Inland Valley Wetland Cultivation and Preservation for Africa’s Green and Blue Revolution Using Multi-Sensor Remote Sensing. In: Land Resources Monitoring, Modeling, and Mapping with Remote Sensing. CRC Press, pp. 227-256. ISBN 9781482217957

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Abstract

Africa is the second largest continent after Asia with a total area of 30.22 million km2 (including the adjacent islands). It has great rivers such as the River Nile, which is the longest in the world and flows a distance of 6650 km, and the River Congo, which is the deepest in the world, as well as the second largest in the world in terms of water availability. Yet, Africa also has vast stretches of arid, semiarid, and desert lands with little or no water. Further, Africa’s population is projected to increase by four times by the year 2100, reaching about four billion from the current population of little over one billion. Food insecurity and malnutrition are already highest in Africa (Heidhues et al., 2004) and the challenge of meeting the food security needs of the fastest-growing continent in the twenty-first century is daunting. So, many solutions are thought of to ensure food security in Africa. These ideas include such measures as increasing irrigation in a continent that currently has just about 2% of the global irrigated areas (Thenkabail et al., 2009a, 2010), improving crop productivity (kg m−2), and increasing water productivity (kg m−3). However, an overwhelming proportion of Africa’s agriculture now takes place on uplands that have poor soil fertility and water availability (Scholes, 1990). Thereby, the interest in developing sustainable agriculture in Africa’s lowland wetlands, considered by some as the “new frontier” in agriculture, has swiftly increased in recent years. The lowland wetland systems include the big wetland systems that are prominent and widely recognized (Figure 9.1) as well as the less prominent, but more widespread, inland valley (IV) wetlands (Figures 9.2 through 9.8) that are all along the first to highest order river systems...

Item Type:	Book Section
Divisions:	RP-Resilient Dryland Systems
CRP:	CGIAR Research Program on Dryland Systems
Uncontrolled Keywords:	Wetland Cultivation, Green Revolution, Blue Revolution, Africa, Remote Sensing, Inland Valley, Wetland Mapping, Water Resources
Subjects:	Others > Agriculture-Farming, Production, Technology, Economics Others > Climate Change
Depositing User:	Mr Ramesh K
Date Deposited:	14 Dec 2015 06:57
Last Modified:	14 Dec 2015 06:57
URI:	http://oar.icrisat.org/id/eprint/9182
Acknowledgement:	UNSPECIFIED
Links:	Google Scholar

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