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Titolo:
Volumetric lidar return patterns from an old-growth tropical rainforest canopy
Autore:
Weishampel, JF; Blair, JB; Knox, RG; Dubayah, R; Clark, DB;
Indirizzi:
Univ Cent Florida, Dept Biol, Orlando, FL 32816 USA Univ Cent Florida Orlando FL USA 32816 , Dept Biol, Orlando, FL 32816 USA NASA, Goddard Space Flight Ctr, Laser Remote Sensing Branch, Greenbelt, MD20771 USA NASA Greenbelt MD USA 20771 Remote Sensing Branch, Greenbelt, MD20771 USA NASA, Goddard Space Flight Ctr, Biospher Sci Branch, Greenbelt, MD 20771 USA NASA Greenbelt MD USA 20771 Biospher Sci Branch, Greenbelt, MD 20771 USA Univ Maryland, Dept Geog, College Pk, MD 20742 USA Univ Maryland College Pk MD USA 20742 Dept Geog, College Pk, MD 20742 USA Univ Missouri, Dept Biol, St Louis, MO 63121 USA Univ Missouri St Louis MO USA 63121 ri, Dept Biol, St Louis, MO 63121 USA
Titolo Testata:
INTERNATIONAL JOURNAL OF REMOTE SENSING
fascicolo: 2, volume: 21, anno: 2000,
pagine: 409 - 415
SICI:
0143-1161(20000120)21:2<409:VLRPFA>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
LACUNARITY ANALYSIS; FORESTS; LIGHT;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
24
Recensione:
Indirizzi per estratti:
Indirizzo: Weishampel, JF Univ Cent Florida, Dept Biol, Orlando, FL 32816 USA Univ Cent Florida Orlando FL USA 32816 lando, FL 32816 USA
Citazione:
J.F. Weishampel et al., "Volumetric lidar return patterns from an old-growth tropical rainforest canopy", INT J REMOT, 21(2), 2000, pp. 409-415

Abstract

Rainforests represent the epitome of structural complexity in terrestrial ecosystems. However, measures of three-dimensional canopy structure are limited to a few areas typically <1 ha with construction crane or walkway/platform access,An innovative laser profiling system, the Laser Vegetation Imaging Sensor (LVIS), was used to map canopy structure (i.e. based on height and vertical distribution of laser returns) of a tropical rainforest in Costa Rica. Within a approximate to 1 km(2) area of mature rainforest, canopy top height ranged from 8.4 to 51.6 m based on the altimeter measures. The laser return density was most concentrated in the horizontal layer located 20-30 m above the ground. Spatial patterns of the return were found to be isotropic based on north-south versus east-west vertical return profiles and exhibited properties of self-similarity.

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Documento generato il 20/01/21 alle ore 04:07:24