Remote sensing for resources development and environmental management: Remote sensing for resources development and environmental management

Damen, M. C. J.

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Multivolume work

Persistent identifier:: 856342815

Title:: Remote sensing for resources development and environmental management

Sub title:: proceedings of the 7th international Symposium, Enschede, 25 - 29 August 1986

Year of publication:: 1986

Place of publication:: Rotterdam; Boston

Publisher of the original:: A. A. Balkema

Identifier (digital):: 856342815

Language:: English

Additional Notes:: Volume 1-3 erschienen von 1986-1988

Editor:: Damen, M. C. J.

Document type:: Multivolume work

Volume

Persistent identifier:: 856343064

Title:: Remote sensing for resources development and environmental management

Sub title:: proceedings of the 7th international Symposium, Enschede, 25 - 29 August 1986

Scope:: XV, 547 Seiten

Year of publication:: 1986

Place of publication:: Rotterdam; Boston

Publisher of the original:: A. A. Balkema

Identifier (digital):: 856343064

Illustration:: Illustrationen, Diagramme

Signature of the source:: ZS 312(26,7,1)

Language:: English

Usage licence:: Attribution 4.0 International (CC BY 4.0)

Editor:: Damen, M. C. J.

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2016

Document type:: Volume

Collection:: Earth sciences

Chapter

Title:: 4 Renewable resources in rural areas: Vegetation, forestry, agriculture, soil survey, land and water use. Chairman: J. Besenicar, Liaisons: M. Molenaar, Th. A. de Boer

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Chapter

Title:: An integrated study of the Nairobi area - Land-cover map based on FCC 1:1M. F. Grootenhuis & H. Weeda, K. Kalambo

Document type:: Multivolume work

Structure type:: Chapter

Symposium on Remote Sensing for Resources Development and Environmental Management / Enschede / August 1986 445 An integrated study of the Nairobi area - Land-cover map based on FCC 1:1M F.Grootenhuis & H.Weeda Nairobi, Kenya K.Kalambo Landplan, Nairobi, Kenya ABSTRACT: The goal of the study was to explore the suitability of readily available LANDSAT imagery (in photographic form) for landscape planning in a developing country. The exercise focussed on the complex landscape of the Nairobi region. Visual interpretation formed the basis for a physiographic map at 1:1 Million (1:1M) scale describing the form of the earth surface of the study area. Representative traverses were chosen and fieldwork was carried out along these cross-sections. The integration of the field recordings and the .zoning from the physiographic map produced a land-cover map at 1:1M scale depicting the features present on the earth surface. The results of the analysis of the land-cover pattern at the scale 1:1M are suitable for use as basic information for integrated planning. The results are cost effective in terms of the investment of time and money required, and represent a valuable input to the planning process. 1 INTRODUCTION Planning for development requires knowledge of the ecological conditions for a sustaina ble use of renewable natural resources (Tolba 1982). In landscape planning emphasis is given to the bio-physical components of the landscape and their interaction. An integra ted study of these factors should be the first step (McHarg 1969). This paper describes the information that could be drawn from LANDSAT images readily available at a scale 1:1M as an orientation for landscape planning (Duchhart 1986). The study has been undertaken as a follow up of the Extended Training Course on Remo Sensing and Rangeland at the Regional Remote Sensing Facility (RRSF) in Nairobi, Kenya (October 1983 to March 1984). Figure 1 . Location of the study area and the physiographic cross-sections. The area chosen for the study covers approxi mately 60 km x 60 km and includes the city of Nairobi. The boundaries of the study area extend from Limuru to Athi River and from the Ngong Hills to Thika, excluding the Gregory Rift Valley (Figure 1). Major topographic, climatic and vegetation gradients run northwest to southeast across the area, resulting in the complex landscape around and within the city of Nairobi. Nairobi is the capital city of Kenya and the fastest growing and most influential city in Eastern Africa. Population growth over the period 1984-1988 is expected to be 7,6% per annum,, including 2,6% as a result of rural- urban migration (Government of Kenya 1983) This implies that the population will dpuble in 10-12 years. The consequent demands for housing, services, work, water, food and energy are increasing rapidly. Located on the edge of the slopes of the Aberdares and the Athi-Kapithi Plains, Nairo bi manifests a variety of land-use conflicts. Some of these are inherent in the location at the inter-face between the pastoral socie ties developed on the plains and the agri cultural societies developed in the highlands, others are more complex conflicts resulting from the many possible uses of productive land in a metropolitan area. 2 MATERIALS AND METHOD 2.1 Materials The study was limited to readily available materials. These included the collection of LANDSAT false colour composite (FCC) trans parencies at 1:1M scale held at the RRSF and the LANDSAT images 180/61 of January 24th, 1976 and 181/61 of January 25th, 1976 formed the basis for the study. They were chosen since they were almost cloud-free and of bet ter quality than any of the other images.

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