|
Read Full Article (file size: 254937 bytes) Cited by
GEOPHYSICAL RESEARCH LETTERS,
VOL. 30, NO. 2,
1069,
doi:10.1029/2002GL015514,
2003
Multiresolution spatial characterization of land degradation phenomena in southern Italy from 1985 to 1999 using NOAA-AVHRR
NDVI data
M. Lanfredi
Istituto Nazionale per la Fisica della Materia, INFM,
Unita' di Napoli,
Italy Istituto di Metodologie per l'Analisi Ambientale,
IMAAA-CNR,
Potenza,
Italy
R. Lasaponara
Istituto di Metodologie per l'Analisi Ambientale,
IMAAA-CNR,
Potenza,
Italy
T. Simoniello
Dipartimento di Ingegneria e Fisica dell'Ambiente,
Università della Basilicata,
Potenza,
Italy
V. Cuomo
Istituto Nazionale per la Fisica della Materia, INFM,
Unita' di Napoli,
Italy Istituto di Metodologie per l'Analisi Ambientale,
IMAAA-CNR,
Potenza,
Italy Dipartimento di Ingegneria e Fisica dell'Ambiente,
Università della Basilicata,
Potenza,
Italy
M. Macchiato
Istituto Nazionale per la Fisica della Materia, INFM,
Unita' di Napoli,
Italy Dipartimento di Scienze Fisiche,
Università “Federico II” di Napoli,
Italy
Abstract
NOAA-AVHRR images (1985–1999) at full spatial resolution (1.1 km2) were exploited for studying land degradation phenomena in Southern Italy. We analyzed the spatial map of the correlation
coefficient between NDVI and time by using wavelet transform. Multiscale aggregations of negative trends were searched for
detecting spatially diffused phenomena of decrease in vegetation activity. The analysis mainly selects an extended area in
a region considered vulnerable to desertification. Our results indicate that multiresolution AVHRR/NDVI analysis can be very
useful for monitoring the complex spatio-temporal dynamics of vegetation activity in landscapes characterized by heterogeneity
scales similar to those of Southern Italy.
Published 25
January
2003.
Index Terms: 1640 Global Change: Remote sensing; 1809 Hydrology: Desertification; 1694 Global Change: Instruments and techniques.
Read Full Article (file size: 254937 bytes) Cited by
Citation: Lanfredi, M., R. Lasaponara, T. Simoniello, V. Cuomo, and M. Macchiato
(2003),
Multiresolution spatial characterization of land degradation phenomena in southern Italy from 1985 to 1999 using NOAA-AVHRR
NDVI data,
Geophys. Res. Lett.,
30(2),
1069,
doi:10.1029/2002GL015514.
Copyright 2003 by the American Geophysical Union.
|