Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Pekka Härmä"'
Autor:
Saku Anttila, Petteri Vihervaara, Risto K. Heikkinen, Kaisu Aapala, Markus Törmä, Tytti Jussila, Mikko Kervinen, Janne Mäyrä, Martin Forsius, Pekka Härmä, Peter Kullberg
Publikováno v:
IGARSS
Biodiversity crisis calls for better knowledge of the status of biodiversity, but also drivers and pressures behind the ecosystem change and the vulnerability of habitats. There is growing demand for the biodiversity data for decision-making on natio
Autor:
Pekka Härmä, Kari Kallio, Sampsa Koponen, Ulla-Maija Hyytiäinen, Timo Pyhälahti, Jenni Attila, Jouni Pulliainen
Publikováno v:
Environmental Management. 42:511-522
We investigated the use of Landsat ETM+ images in the monitoring of turbidity, colored dissolved organic matter (CDOM), and Secchi disk transparency (Z(SD)) in lakes of two river basins located in southern Finland. The ETM+ images were acquired in Ma
Autor:
Kari Kallio, Timo Pyhälahti, Jouni Pulliainen, T. Hannonen, Karri Eloheimo, Pekka Härmä, Sampsa Koponen, Jenni Attila
Publikováno v:
Photogrammetric Engineering & Remote Sensing. 74:363-374
The effects of an atmospheric correction method for water quality estimation have been studied and validated for Airborne Imaging Spectrometer for Applications (AISA) data. This novel approach uses atmospheric input parameters from a numerical weathe
Publikováno v:
SPIE Proceedings.
This paper describes the ideas, data and methods to produce Finnish Corine Land Cover 2006 (CLC2006) classification. This version is based on use of existing national GIS data and satellite images and their automated processing, instead of visual int
Autor:
Kristin Böttcher, Tuula Aalto, Jouni Susiluoto, Juha Lemmetyinen, Tuomas Laurila, Matias Takala, Markus Törmä, Mikko Kervinen, Mika Aurela, Jouni Pulliainen, Olli-Pekka Mattila, Tiina Markkanen, Pekka Härmä, Sari Metsämäki, Ali Nadir Arslan
Publikováno v:
IGARSS
SnowCarbo project is funded by the European commission (EC) Life+ program. The project was started at the beginning of January 2009 and it will end in December 2012. Coordinating Beneficiary of SnowCarbo project is Finnish Meteorological Institute (F
Autor:
Pekka Härmä, Ali Nadir Arslan, Suvi Hatunen, Jouni Pulliainen, Tiina Markkanen, Markus Törmä, Jouni Susiluoto
Publikováno v:
Remote Sensing for Agriculture, Ecosystems, and Hydrology XII.
Today, different carbon sources are producing more carbon dioxide than is being absorbed by carbon sinks, contributing towards the instability in the natural balance of carbon dioxide. The goal of the SnowCarbo-project is to improve the model predict
Publikováno v:
SPIE Proceedings.
SYKE is performing new CORINE 2006 –classification for Finland. One of the aims is to make CORINE classification in Northern Finland, meaning that classes like Natural grasslands and Moors and heathlands should be classified with higher accuracy. A
Autor:
Erkki Tomppo, Riitta Teiniranta, Riikka Repo, Tiia Kiiski, Jouni Peräsaari, Matti Katila, Markus Haakana, Kai Mäkisara, Pekka Härmä, Suvi Hatunen, Markus Törmä, Hanna Piepponen, Minna Kallio
Publikováno v:
SPIE Proceedings.
The European Comission introduced the CORINE Programme in 1985 in order to gather information relating to the environment for the European Union. CORINE land cover classification is produced using satellite images and visual interpretation. In Finlan
Publikováno v:
IGARSS
CORINE Land Cover is a Europeanwide land cover and land use classification. The CORINE2000 classification of Finland is based on automated interpretation of satellite images and data integration with existing digital map data. Satellite images are us
Autor:
Sampsa Koponen, J. Vepsäläinen, Juha Kämäri, Timo Pyhälahti, T. Hannonen, Karri Eloheimo, Kari Kallio, Pekka Härmä
Publikováno v:
The Science of the total environment. 268(1-3)
The aim of the study was to test the feasibility of the band combination of the TERRA MODIS and ENVISAT MERIS instruments for operational monitoring of lakes and coastal waters in Finland. Also simulated LANDSAT TM data were tested. Satellite bands w