FACTORS AFFECTING THE REMOTELY SENSED RESPONSE OF CONIFEROUS FOREST PLANTATIONS

被引：88

作者：

DANSON, FM ^{[1
]}

CURRAN, PJ ^{[1
]}

机构：

[1] UNIV COLL SWANSEA,DEPT GEOG,SWANSEA SA2 8PP,W GLAM,WALES

来源：

REMOTE SENSING OF ENVIRONMENT | 1993年 / 43卷 / 01期

关键词：

D O I：

10.1016/0034-4257(93)90064-5

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Remote sensing of forest biophysical properties has concentrated upon forest sites with a wide range of green vegetation amount and thereby leaf area index and canopy cover. However, coniferous forest plantations, an important forest type in Europe, are managed to maintain a large amount of green vegetation with little spatial variation. Therefore, the strength of the remotely sensed signal will, it is hypothesized, be determined more by the structure of this forest than by its cover. Airborne Thematic Mapper (ATM) and SPOT-1 HRV data were used to determine the effects of this structural variation on the remotely sensed response of a coniferous forest plantation in the United Kingdom. Red and near infrared radiance were strongly and negatively correlated with a range of structural properties and with the age of the stands but weakly correlated with canopy cover. A composite variable, related to the volume of the canopy, accounted for over 75% of the variation in near infrared radiance. A simple model that related forest structural variables to the remotely sensed response was used to understand and explain this response from a coniferous forest plantation.

引用

页码：55 / 65

页数：11

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