Backscattering from Rough Interfaces and the Parabolic Approximation

1991 ◽  
Author(s):  
S. T. McDaniel
Keyword(s):  
Parabolic Approximation ◽  
Rough Interfaces

scholarly journals Modeling the Radial Stem Growth of the Pine (Pinus sylvestris L.) Forests Using the Satellite-Derived NDVI and LST (MODIS/AQUA) Data

Atmosphere ◽  
2020 ◽  
Vol 12 (1) ◽  
pp. 12
Author(s):  
Yulia Ivanova ◽  
Anton Kovalev ◽  
Vlad Soukhovolsky
Keyword(s):  
Land Surface ◽  
Vegetation Index ◽  
Normalized Difference Vegetation Index ◽  
Principal Component ◽  
Stem Growth ◽  
Forest Growth ◽  
Parabolic Approximation ◽  
New Approach ◽  
The Relationship ◽  
Tree Increment

The paper considers a new approach to modeling the relationship between the increase in woody phytomass in the pine forest and satellite-derived Normalized Difference Vegetation Index (NDVI) and Land Surface Temperature (LST) (MODIS/AQUA) data. The developed model combines the phenological and forest growth processes. For the analysis, NDVI and LST (MODIS) satellite data were used together with the measurements of tree-ring widths (TRW). NDVI data contain features of each growing season. The models include parameters of parabolic approximation of NDVI and LST time series transformed using principal component analysis. The study shows that the current rate of TRW is determined by the total values of principal components of the satellite indices over the season and the rate of tree increment in the preceding year.

Mössbauer study 57Fe in ultrathin trilayer films with sharp and rough interfaces

2011 ◽  
Vol 109 (7) ◽  
pp. 07C118 ◽  
Author(s):  
A. N. Pogorily ◽  
G. V. Bondarkova ◽  
O. N. Razumov ◽  
E. V. Shypil
Keyword(s):  
Mössbauer Study ◽  
Rough Interfaces
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