Juha-Petri Kärnä

According to our database, Juha-Petri Kärnä authored at least 12 papers between 1993 and 2011.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2011

Implementing hemispherical snow water equivalent product assimilating weather station observations and spaceborne microwave data.

Matias Takala, Kari Luojus, Jouni Pulliainen, Chris Derksen, Juha Lemmetyinen, Juha-Petri Kärnä, Jarkko Koskinen, Bojan Bojkov

Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

2010

New approach for the global mapping of fractional snow coverage in boreal forest and tundra belt applicable to various sensors.

Sari Metsämäki, Olli-Pekka Mattila, Juha-Petri Kärnä, Jouni Pulliainen, Kari Luojus

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

Improving hydrological forecasting using multi-source remote sensing data together with in situ measurements.

Juha-Petri Kärnä, Markus Huttunen, Sari Metsämäki, Bertel Vehvilainen, Victor Podsechin, Jouni Pulliainen, Juha Lemmetyinen, Timo Kuitunen, Yrjö Rauste, Robin Berglund

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

2009

A Comparison of Airborne Microwave Brightness Temperatures and Snowpack Properties Across the Boreal Forests of Finland and Western Canada.

Juha Lemmetyinen, Chris Derksen, Jouni Pulliainen, J. Walter Strapp, Peter Toose, Anne E. Walker, Simo Tauriainen, Jörgen Pihlflyckt, Juha-Petri Kärnä, Martti T. Hallikainen

IEEE Trans. Geosci. Remote. Sens., 2009

2008

Development of SAR-Based Snow-Covered Area Estimation Method for Borel Forest Zone.

Kari Luojus, Jouni Pulliainen, Sari Metsämäki, Guifre Molera, Risto Nakari, Juha-Petri Kärnä, Martti Hallikainen

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

2007

Operational snow monitoring using satellite observations.

Jarkko Koskinen, Jouni Pulliainen, Pirkko Pylkkö, Panu Lahtinen, Matias Takala, Simona Oancea, Juha-Petri Kärnä, Sari Metsämäki, Miia Eskelinen, Saku Anttila

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

Operational snow map production for whole eurasia using microwave radiometer and ground-based observations.

Juha-Petri Kärnä, Juha Lemmetyinen, Martti Hallikainen, Panu Lahtinen, Jouni Pulliainen, Matias Takala

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

2006

Mapping of Snow Water Equivalent and Snow Coverage from Combined EO and in situ Data for Climatic Studies and Hydrological Forecasting Models.

Jouni Pulliainen, Juha-Petri Kärnä, Martti Hallikainen, Kari Luojus, Sari Metsämäki, Markus Huttunen, Saku Anttila

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

Development of Techniques to Retrieve Snow Covered Area (SCA) in Boreal Forests from Space-borne Microwave Observations.

Kari Luojus, Juha-Petri Kärnä, Martti Hallikainen, Jouni Pulliainen

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

2004

Estimation of snow pack characteristics and snow covered area in boreal forests from ERS-2 SAR and Envisat ASAR data.

Jouni Pulliainen, Kari Luojus, Martti Hallikainen, Sari Metsämäki, Jarkko Koskinen, Juha-Petri Kärnä, Markus Huttunen, Sirpa Rasmus

Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

2002

Assimilation of SAR data to operational hydrological runoff and snow melt forecasting model.

Juha-Petri Kärnä, Jouni Pulliainen, Markus Huttunen, Jarkko Koskinen

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2002

1993

Development of geophysical retrieval algorithms for the MIMR.

Jouni Pulliainen, Juha-Petri Kärnä, Martti Hallikainen

IEEE Trans. Geosci. Remote. Sens., 1993