THE APPLICATION OF GAMMA-RAY ATTENUATION TO THE DETERMINATION OF CANOPY MASS AND CANOPY SURFACE-WATER STORAGE

被引:8
作者
OLSZYCZKA, B [1 ]
CROWTHER, JM [1 ]
机构
[1] UNIV STRATHCLYDE, DEPT APPL PHYS, GLASGOW G4 0NR, SCOTLAND
关键词
D O I
10.1016/S0022-1694(81)80019-4
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
The feasibility of using a nuclear method to make non-destructive measurements of both fresh canopy mass and canopy surface-water storage was examined. The theory of .gamma.-ray attenuation was developed for the field situation and a preliminary experiment is described in which the accuracy of the canopy mass estimate is verified by comparison with a destructive measurement. By artificially saturating the canopy with water, a canopy storage capacity of 2.4 .+-. 0.6 mm was estimated for Sitka spruce of average height 12 m.
引用
收藏
页码:355 / 368
页数:14
相关论文
共 21 条
[11]   THEORETICAL ESTIMATES VERSUS FOREST WATER YIELD [J].
LEE, R .
WATER RESOURCES RESEARCH, 1970, 6 (05) :1327-+
[12]  
LEYTON L., 1967, INT S 0 HYDROL, P163
[13]  
OLSZYCZKA B, UNPUBLISHED
[14]  
RUTTER A J, 1972, Agricultural Meteorology, V9, P367, DOI 10.1016/0002-1571(71)90034-3
[16]   PREDICTIVE MODEL OF RAINFALL INTERCEPTION IN FORESTS .2. GENERALIZATION OF MODEL AND COMPARISON WITH OBSERVATIONS IN SOME CONIFEROUS AND HARDWOOD STANDS [J].
RUTTER, AJ ;
MORTON, AJ ;
ROBINS, PC .
JOURNAL OF APPLIED ECOLOGY, 1975, 12 (01) :367-380
[17]   PREDICTIVE MODEL OF RAINFALL INTERCEPTION IN FORESTS .3. SENSITIVITY OF MODEL TO STAND PARAMETERS AND METEOROLOGICAL VARIABLES [J].
RUTTER, AJ ;
MORTON, AJ .
JOURNAL OF APPLIED ECOLOGY, 1977, 14 (02) :567-588
[18]   GROWTH STUDIES ON PLANT PLOTS BY GAMMA SCANNING [J].
SCHATZLER, HP ;
KUHN, W .
INTERNATIONAL JOURNAL OF APPLIED RADIATION AND ISOTOPES, 1977, 28 (07) :645-652
[19]  
SCHATZLER HP, 1975, BT245 GSF BER
[20]  
SLATYER RO, 1967, PLANTWATER RELATIONS, pCH9