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:: 3 Spectral signatures of objects. Chairman: G. Guyot, Liaison: N. J. J. Bunnik

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: Mapping of available solar radiation at ground. Ehrhard Raschke & Martin Rieland

Document type:: Multivolume work

Structure type:: Chapter

309 HOOELLERCEBNIS Pyranometer of global = AL = 57. KWHM -2 PYRANOHETERHESSUNG IN KWHM (PYRANOMETER MEASUREMENT) = 5.57 kWh/m 3 = 2005 J/cm 2 <y = 0.52 kWh/m 3 Fig. 4.3: Intercomparison between ground-based measurements and model results satellite: lieteosat time: June 1983 here: monthly means of the daily sums <M ad >: mean daily sum, a: mean error (rms) Pyranometer measurements <M Qa > = 1780 J/cm : a = 110 J/cm 3 Fig. 4.5: The same as for Fig. 4.4.b, but here area: Asia 4. Results Figs. 4.1 and 4.2 reveal maps of monthly averages of daily sums (a), normalized values (b) of these monthly averages of daily sums as calculated from measurements of the satellites Meteosat (June 1983) and GMS (July 1983). All maps are displayed in •\.M( 3c ,> — 1303 J/cm 3 o' — 110 J/cm 3 pyranometer measurements (J/cm 3 ) ground-based J/cm 3 Fig. 4.4: Intercomparison between measurements and model results satellite: GMS time: July 1983 area: Australia (a) daily sums of global radiation (b) monthly means of the daily sums black and white tones. They show considerable details due either to orographically or dynamically induced cloud fields. See for example the mountain regions in Eastern Asia, Europe and Africa. More such details are visible in maps of relative amounts or the atmospheric transmittance (b). Intercomparisons between simultaneous and colocated ground based measurements are summarized in Fig. 4.3 to 4.5. Comparison were possible with data of 187 pyranometers in the Meteosat sector and 40 pyranometers in the GMS sector. The rms differences are about 6 7. for monthly averages and about 15 7. for individual daily sums. The intercomparison in Australia (Fig.4.4) show much better results. During July 1983 Australia was nearly cloudfree. Obviously the determination of the atmospheric transmittance is in the presence of clouds more uncertain.

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