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

Identifier (digital):: 856342815

Language:: English

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

Publisher of the original:: A. A. Balkema

Editor:: Damen, M. C. J.

Document type:: Multivolume work

Volume

Persistent identifier:: 856641294

Title:: Remote sensing for resources development and environmental management

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

Scope:: IX Seiten, Seiten 551-956

Year of publication:: 1986

Place of publication:: Rotterdam; Boston

Identifier (digital):: 856641294

Illustration:: Illustrationen, Diagramme

Signature of the source:: ZS 312(26,7,2)

Language:: English

Publisher of the original:: A,. A. Balkema

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:: 6 Hydrology: Surface water, oceanography, coastal zone, ice and snow. Chairman: K. A. Ulbricht, Co-chairman: Mikio Takagi, Liaison: R. Spanhoff

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: The quantification of floodplain inundation by the use of LANDSAT and Metric Camera information, Belize, Central America. S. T. Miller

Document type:: Multivolume work

Structure type:: Chapter

738 assessing the information provided by the remotely on the Western highway, Belize. sensed imagery. SCHROEDER, M. 1985 Flight performance of the Spacelab Symposi Metric Camera experiment. D.F.V.L.R., Wessling. WALKER, S.H. 1972. Records of river stage, discharge 4. CONCLUSIONS and water quality for the Belize and Sibun rivers Remot 1968-71. Overseas Development Administration, Land The conclusions reached in this paper are made by Resources Division miscellaneous report 126. comparing the information afforded by each source of data and identifying the results they give. This of hyd section is necessarily divided into two parts, so as to deal with each part of the floodplain separately. 4.1. The upper floodplain W. Murra) Ontario Hyi The ground survey discusses flooding in this area only briefly but its main conclusion is that the lowering of flood peaks between Big Falls Ranch and Davis Bank gauging stations is due to the attenuation of the peak by the river channel and invokes previous work that states "..no overflow channels are visible from aerial photographs." (Walker 1972). LANDSAT imagery shows this not to be true. At least 5 locations of overspill are evident and can be seen on map figure I. Using the same calculation methods as the report (Fiddes 1977), the contribution of the local catchment ABSTRACT: studies to LANDSAT sat northern On economical broad level post-develc can account for only 26% of the visible flooded area - an expansion of more than 88 square kilometres over 1 INTRODUCT normal conditions. The LANDSAT scene not only provides this information but also displays the distribution of floodwaters so that areas most affected and the source of the flood may be seen. With the aid of basic spot height data the imagery provides estimates of the flood volume of the 1979 flood that are very similar to those obtained from studies of the flood hydrographs of the period, as well as indicating the probable maximum level to which the flood rose. Metric Camera imagery of this area is not available for comparison. 4.2. The lower floodplain Qualitative flood assessments in this area are not possible. The LANDSAT scene provides sufficient detail in agreement with the ground survey to show that flood water is present, moving from the Belize river. The broad front of this floodwater suggests that the vol ume is greater than the report states. The scene also supports the report's finding that the concentration of the flooding is centered around the lagoon area and in addition it identifies the channel routes that the flood takes. It confirms that the rest of the highway will remain relatively unaffected. Similar agreements with Metric Camera imagery can also be seen by comparisons with figure 5» The subtle features of high and low ground can be seen to be the same as identified by the ground survey in figure 6, despite their differences of elevation - only two to three metres, the landform causing the bifurcation of floodwaters being approximately square km. It is evident that with multitemporal imagery and more sources of supplimentary data remotely sensed information can provide detailed insights to flood processes and provide estimates of flood volumes. This imagery gives its best results when used with other sources of information but where necessary it may be used by itself to. provide unique insights into flood processes. In Ontario the plannin projects re out at vari the plannin to assess t schemes and Environment constructio conducted t verify pred of implemen the operati of these st of large vo time. The strongly in the quality Much of t potential i regions of and long-te time-consum cost-effect "suitable d Satellite recommended performing Singhroy 19 assessment demonstrate improve fut hydroelectr by Ontario : Ontario Cen project inv 15,200 km 2 according t' multi-date : secondary ti drainage ba; extraction ; technology. REFERENCES 1.1 Study A: DOWMAN, I. 1985. Report on the Metric Camera workshop II-IJ February 1985. Symposium paper. FIDDES, D. 1977• U.K. Transport and Road Research Laboratory. Supplimentary report 259> paper 5« FLOOD STUDIES REPORT, 1972, U.K. Institute of Hydrol ogy, H.M.S.O. RICHARDS and DUMBLETON INTERNATIONAL, I98I. Report The LJR bas: Ontario (Cai

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