Application of ERS-1 wind scatterometer data to soil frost and soil moisture monitoring in boreal forest zone

Jouni Pulliainen, Terhikki Manninen, Martti Hallikainen

Research output: Contribution to journalArticleScientificpeer-review

27 Citations (Scopus)

Abstract

The feasibility of the ERS-1 Wind Scatterometer (WS) for monitoring the boreal forest zone is investigated, concentrating on soil frost and soil moisture monitoring. The ERS-1 WS measures the target area with coarse spatial resolution (about 50 km) using three separate antenna beams and a wide angular range. The investigations are concerned with the boreal forest zone using data (1) from test areas located in Finland and (2) covering the whole northern European boreal forest zone.
The seasonal behavior of WS data is studied and a semiempirical forest backscattering model-based inversion method for the retrieval of soil moisture and for soil frost monitoring from WS data is developed. The developed inversion method employs nearly simultaneous three-beam measurements and a varying incidence angle.
Promising results were obtained in the monitoring of soil frost, and the retrieval of soil moisture also appears to be a feasible field of application. The applicability of the instrument for forest biomass retrieval using single images was found to be limited to long-term change detection.
Original languageEnglish
Pages (from-to)849-863
JournalIEEE Transactions on Geoscience and Remote Sensing
Volume36
Issue number3
DOIs
Publication statusPublished - 1998
MoE publication typeA1 Journal article-refereed

Fingerprint

Soil moisture
scatterometer
frost
boreal forest
soil moisture
Soils
Monitoring
monitoring
soil
Backscattering
long-term change
antenna
Biomass
spatial resolution
Antennas
ERS
biomass
inversion
method

Cite this

Pulliainen, Jouni ; Manninen, Terhikki ; Hallikainen, Martti. / Application of ERS-1 wind scatterometer data to soil frost and soil moisture monitoring in boreal forest zone. In: IEEE Transactions on Geoscience and Remote Sensing. 1998 ; Vol. 36, No. 3. pp. 849-863.
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abstract = "The feasibility of the ERS-1 Wind Scatterometer (WS) for monitoring the boreal forest zone is investigated, concentrating on soil frost and soil moisture monitoring. The ERS-1 WS measures the target area with coarse spatial resolution (about 50 km) using three separate antenna beams and a wide angular range. The investigations are concerned with the boreal forest zone using data (1) from test areas located in Finland and (2) covering the whole northern European boreal forest zone. The seasonal behavior of WS data is studied and a semiempirical forest backscattering model-based inversion method for the retrieval of soil moisture and for soil frost monitoring from WS data is developed. The developed inversion method employs nearly simultaneous three-beam measurements and a varying incidence angle. Promising results were obtained in the monitoring of soil frost, and the retrieval of soil moisture also appears to be a feasible field of application. The applicability of the instrument for forest biomass retrieval using single images was found to be limited to long-term change detection.",
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Application of ERS-1 wind scatterometer data to soil frost and soil moisture monitoring in boreal forest zone. / Pulliainen, Jouni; Manninen, Terhikki; Hallikainen, Martti.

In: IEEE Transactions on Geoscience and Remote Sensing, Vol. 36, No. 3, 1998, p. 849-863.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Application of ERS-1 wind scatterometer data to soil frost and soil moisture monitoring in boreal forest zone

AU - Pulliainen, Jouni

AU - Manninen, Terhikki

AU - Hallikainen, Martti

PY - 1998

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N2 - The feasibility of the ERS-1 Wind Scatterometer (WS) for monitoring the boreal forest zone is investigated, concentrating on soil frost and soil moisture monitoring. The ERS-1 WS measures the target area with coarse spatial resolution (about 50 km) using three separate antenna beams and a wide angular range. The investigations are concerned with the boreal forest zone using data (1) from test areas located in Finland and (2) covering the whole northern European boreal forest zone. The seasonal behavior of WS data is studied and a semiempirical forest backscattering model-based inversion method for the retrieval of soil moisture and for soil frost monitoring from WS data is developed. The developed inversion method employs nearly simultaneous three-beam measurements and a varying incidence angle. Promising results were obtained in the monitoring of soil frost, and the retrieval of soil moisture also appears to be a feasible field of application. The applicability of the instrument for forest biomass retrieval using single images was found to be limited to long-term change detection.

AB - The feasibility of the ERS-1 Wind Scatterometer (WS) for monitoring the boreal forest zone is investigated, concentrating on soil frost and soil moisture monitoring. The ERS-1 WS measures the target area with coarse spatial resolution (about 50 km) using three separate antenna beams and a wide angular range. The investigations are concerned with the boreal forest zone using data (1) from test areas located in Finland and (2) covering the whole northern European boreal forest zone. The seasonal behavior of WS data is studied and a semiempirical forest backscattering model-based inversion method for the retrieval of soil moisture and for soil frost monitoring from WS data is developed. The developed inversion method employs nearly simultaneous three-beam measurements and a varying incidence angle. Promising results were obtained in the monitoring of soil frost, and the retrieval of soil moisture also appears to be a feasible field of application. The applicability of the instrument for forest biomass retrieval using single images was found to be limited to long-term change detection.

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