Forest crown cover estimation in northern boreal and temperate European forest

Laura Sirro; Tuomas Häme; Heikki Ahola; Anne Lönnqvist

Forest crown cover estimation in northern boreal and temperate European forest

Laura Sirro, Tuomas Häme, Heikki Ahola, Anne Lönnqvist

BA16 Data-driven solutions

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

Abstract

A method for forest crown cover estimation using high resolution optical earth observation data was developed and tested at four study sites in Europe. Crown cover was estimated using the probability estimation method of VTT and Image2006 data. The accuracy of the crown cover predictions was assessed using reference data that were collected by visual interpretation of very high resolution aerial and space borne imagery. The average crown cover values in the reference data varied from 17 % to 86 % and in the predictions from 18 % to 80 %. The absolute root mean square error of the crown cover predictions varied between 14 % and 33 %. The results of the study showed that it is possible to map forest crown cover with twenty to thirty meter spatial resolution optical earth observation data using the single pixel values. However, understanding the variable results at different sites requires further investigation.

Original language	English
Title of host publication	Proceedings of the First Sentinel-2 Preparatory Symposium
Publisher	European Space Agency ESA
Number of pages	5
Edition	cd-rom
ISBN (Print)	978-929092271-1
Publication status	Published - 2012
MoE publication type	B3 Non-refereed article in conference proceedings
Event	1st Sentinel-2 Preparatory Symposium - Frascati, Italy Duration: 23 Apr 2012 → 27 Apr 2012

Publication series

Series	ESA Special Publication
Number	SP-707
ISSN	0379-6566

Conference

Conference	1st Sentinel-2 Preparatory Symposium
Country	Italy
City	Frascati
Period	23/04/12 → 27/04/12

Keywords

remote sensing
optical
forest
density
crown cover
boreal
temperate

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Sirro, L., Häme, T., Ahola, H., & Lönnqvist, A. (2012). Forest crown cover estimation in northern boreal and temperate European forest. In Proceedings of the First Sentinel-2 Preparatory Symposium (cd-rom ed.). European Space Agency ESA. ESA Special Publication, No. SP-707

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title = "Forest crown cover estimation in northern boreal and temperate European forest",

abstract = "A method for forest crown cover estimation using high resolution optical earth observation data was developed and tested at four study sites in Europe. Crown cover was estimated using the probability estimation method of VTT and Image2006 data. The accuracy of the crown cover predictions was assessed using reference data that were collected by visual interpretation of very high resolution aerial and space borne imagery. The average crown cover values in the reference data varied from 17 % to 86 % and in the predictions from 18 % to 80 %. The absolute root mean square error of the crown cover predictions varied between 14 % and 33 %. The results of the study showed that it is possible to map forest crown cover with twenty to thirty meter spatial resolution optical earth observation data using the single pixel values. However, understanding the variable results at different sites requires further investigation.",

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Forest crown cover estimation in northern boreal and temperate European forest. / Sirro, Laura ; Häme, Tuomas; Ahola, Heikki; Lönnqvist, Anne.

Proceedings of the First Sentinel-2 Preparatory Symposium. cd-rom. ed. European Space Agency ESA, 2012. (ESA Special Publication; No. SP-707).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

TY - GEN

T1 - Forest crown cover estimation in northern boreal and temperate European forest

AU - Sirro, Laura

AU - Häme, Tuomas

AU - Ahola, Heikki

AU - Lönnqvist, Anne

PY - 2012

Y1 - 2012

N2 - A method for forest crown cover estimation using high resolution optical earth observation data was developed and tested at four study sites in Europe. Crown cover was estimated using the probability estimation method of VTT and Image2006 data. The accuracy of the crown cover predictions was assessed using reference data that were collected by visual interpretation of very high resolution aerial and space borne imagery. The average crown cover values in the reference data varied from 17 % to 86 % and in the predictions from 18 % to 80 %. The absolute root mean square error of the crown cover predictions varied between 14 % and 33 %. The results of the study showed that it is possible to map forest crown cover with twenty to thirty meter spatial resolution optical earth observation data using the single pixel values. However, understanding the variable results at different sites requires further investigation.

AB - A method for forest crown cover estimation using high resolution optical earth observation data was developed and tested at four study sites in Europe. Crown cover was estimated using the probability estimation method of VTT and Image2006 data. The accuracy of the crown cover predictions was assessed using reference data that were collected by visual interpretation of very high resolution aerial and space borne imagery. The average crown cover values in the reference data varied from 17 % to 86 % and in the predictions from 18 % to 80 %. The absolute root mean square error of the crown cover predictions varied between 14 % and 33 %. The results of the study showed that it is possible to map forest crown cover with twenty to thirty meter spatial resolution optical earth observation data using the single pixel values. However, understanding the variable results at different sites requires further investigation.

KW - remote sensing

KW - optical

KW - forest

KW - density

KW - crown cover

KW - boreal

KW - temperate

M3 - Conference article in proceedings

SN - 978-929092271-1

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BT - Proceedings of the First Sentinel-2 Preparatory Symposium

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T2 - 1st Sentinel-2 Preparatory Symposium

Y2 - 23 April 2012 through 27 April 2012

ER -