New Funding for PEARL

Eureka's Polar Environment Atmospheric Research Laboratory in Nunavut has been awarded a grant through CANDAC to sustain core operations.  Click here to learn about sustained operations moving forward.

Summit Station News

Researchers from Summit Station's ICECAPS project were in the news at NSF this week for their recent Nature publication explaining the role of thin, low-lying clouds in Greenland's widespread surface melt last summer.  Click here for the NSF news summary.


The first Arctic Observing Summit (AOS) is to be held in Vancouver, Canada 30-Apr to 02-May.  We welcome your comments on our community white paper.  Click here for a copy. 


IASOA will also host an IASC-sponsored half day workshop on 03-May to craft its contributions to the 2013 Arctic Report Card.  Please contact Sandy Starkweather for more details on participating in the workshop. 

News from Ny-Aalesund

The 31st edition of the Ny-Ålesund Newsletter is now available.  Click here to learn about plans for new radiation instruments at Zeppelin and new greenhouse gas flux measurements on the Amundsen Nobile Climate Change Tower (CCT). 

Expansions at St.Nord

Aarhus University has begun the construction of a modern research station in northern Greenland that will monitor how climate change is affecting the region.

here for the full story.

DOE ARM Facility RFP

Request for Preproposals
Scientific Research at the ARM Climate Research Facility
U.S. Department of Energy

Preproposal deadline: Friday, 1 February 2013

To submit a proposal, please go click

Polar Met Call

The 12th Conference on Polar Meteorology and Oceanography is being held 29Apr - 02May, 2013 in Seattle, Washington.  Abstracts are due January 14, 2013.  Click here for more information. 

2012 Arctic Report Card

The latest Arctic Report Card was released at AGU on December 5.  Atmospheric results from the annual roll-up include updates on 2012 temperature anomalies as well as greenhouse gas and UV baseline measurements from Arctic observatories.  Observations show that increases from human sources in greenhouse gases continue, while warm air temperature anomaolies were relatively small compared to the last decade.  Click here for more information. 


Represenatives from the IASOA consoritum will travel to Vienna, Austra Nov 20-22, 2012 for the First WMO-GCW-CryoNet Implementation meeting to share IASOA experiences with network coordination in a pan-Arctic context and contribute to areas of common value for the co-development of IASOA and CryoNet.  Click here for more information and look for updates after the meeting. 

First Tiksi Science Mtg

The first Tiksi Science Meeting was held in at the Arctic and Antarctic Research Institute in St. Petersburg, 18-20 Sept 2012.  A summary of the presentations and work plan can be found here

Input Requested

On The observational needs for climate modelers in the polar regions.   Click here to access the document and provide your feedback.  Author contact information is provided in the document. 


Arctic News in SOTC 2011

Read about changes to the Arctic atmosphere in this briefing on highlights from the 2011 BAMS State of the Climate Report.  For access to the full report, click here

IASOA's New Newsletter

IASOA distributed its first quarterly newsletter to 200 contacts last week.  Click here to see the newsletter and subscribe today!

Ozone News, BROMEX Blog

Click here to read about Paul Shepson's work in the news.  And click here for a link to the Barrow-based March BROMEX campaign blog.  

Update - CREATE 2012

NSERC's CREATE Training Program in Arctic Atmospheric Science has announced new opportunities for 2012 graduate and undergraduate programs.  Click HERE for more information.

PEARL in the News

Researchers Jim Drummond and Kim Strong discuss the role of Canada's Polar Environment Atmospheric Research Laboratory (PEARL) near Eureka, Canada in the detection and understanding of 2011's record-sized Arctic ozone hole.  Click here for the full article in the Montreal Gazette.  

Cherski in the News

To learn about the role that Cherski plays in permafrost studies, click here to see NBC's Jim Maceda report on a trip to visit Sergei and Nikita Zimov at the station. 

2011 Arctic Report Card

National Oceanic and Atmospheric Administration (NOAA)


The 2011 update of the web-based Arctic Report Card is now available:

Responding to Change

International Study of Arctic Change (ISAC), in partnership with the School of Policy Studies at Queen’s University, announces:


Responding to Arctic Environmental Change Workshop: Translating Our Growing Understanding into a Research Agenda for Action

Jan 30, 2012 - Feb 1, 2012

Click here for more info.

Workshop Announcement

Workshop on Polar Simulations with the Weather Research and Forecasting (WRF) Model.

November 2 and 3, 2011

Byrd Polar Research Center, The Ohio State University

Columbus, Ohio USA


There is no registration fee.  You are invited to attend!  For more details or to register online:

New UNIS Course

The Arctic Atmospheric Boundary Layer and Local Climate Processes


Objective: After the course, the student will have an understanding of physical processes typical for the Arctic atmospheric boundary layer, how the Arctic boundary layer differs from that at lower latitudes; the challenges of taking meteorological measurements and a basic understanding of how numerical models in the Arctic work.


Registration Deadline: 15.Oct.2011


For more information about the course and how to apply, see

Black Carbon

Is black carbon contributing to the warming of the Arctic?  Click here to read about an international study currently taking place in the Arctic to investigate the role of black carbon in Arctic warming.

CREATE Summer School

CREATE Summer School addressing the broad theme of Arctic Atmospheric Science, will be offered from July 11 to 15, 2011 in Alliston, Ontario. Details are HERE.

CANDAC Outreach Update

In March/April 2011, CANDAC launched a new outreach project called Student-Researchers Atmospheric Collaboration at Qarmartalik School in Resolute Bay, Nunavut and Pickering College in Newmarket, Ontario. HERE

Tiksi Update 2011

Successful site visit by FMI HERE

SOA Conf Resolution

The March 16-19, 2010 State of the Arctic Conference has published a final resolution and access to presentations HERE

Can we help you?

Did you find what you needed? If not, click here to contact IASOA.
IASOA logo
International Polar Year
Pallas & Sodankyla, Finland PDF Print E-mail
Arctic map showing location of Pallas & Sodankyla
click image to enlarge


Pallas & Sodankyla



Webcam from  



Arctic Research Centre at Sodankylä

Location:  67.37 N, 26.65 E, 180 m asl (591 ft asl)  


Governing institution:  Finnish Meteorological Institute


Station contact:  Jussi Paatero (


Main web site:



Facilities:  The Arctic Research Centre in Sodankylä has several buildings and locations associated with it.  At the Sodankylä location, there's a Main, Old Main, Technical, Receiving, and Operating building plus a Meteorological Mast.  These structures contain offices, guest rooms, workshops, storage, an area for a microwave radiometer, and an antenna to gather satellite data.  An Ozone Satellite Data Center is also located on the base and is the location of the Receiving Building.    


Station Mission/Purpose:  Historically, the main research taking place at the Arctic Research Centre concerns ozone.  Other projects include investigations of the upper atmosphere, the boundary layer, atmosphere-biosphere interactions, and UV impact in the Arctic.   


Site News:


Topography and History:  Measurements at the base date back to the middle of the 19th century.  In 1858, the first weather station at Sodankylä was constructed and 1949 marks the first year that twice daily radiosondes were launched.  The town of Sodankylä is easy to access via international travel.  It is surrounded by low hills, woodlands and lies underneath the area of stratospheric ozone depletion.  The Arctic Research Centre is associated with two additional sites, the Luosto Weather Radar and the Sodankylä Geophysical Observatory.


                     Luosto Weather Radar: 

                     Location: 67.08N, 26.54E, 532m (1,745ft asl) 

The radar began taking measurements in September of 2000.  Radar coverage encompasses the majority of Lapland at a fine resolution.  A large antenna and and digital receiver account for the enhanced resolution provided by this instrument.  Studies into improved radar technology and signal processing also take place at Luosto.


                     Sodankylä Geophsyical Observatory (SGO):

                     Location: 67.22N, 26.38E, 180m (591ft asl) 

The Observatory was established in 1913 as a part of the Finnish Academy of Science and Letters and has been an independent research department of the University of Oulu since 1997.  Measurements of the magnetic field, magnetic pulsations, cosmic radio noise, upper atmospheric radio soundings, ionospheric tomography, seismic recordings, and cosmic rays all take place at SGO.                  




Global Atmosphere Watch (GAW) Research Programme at Pallas 

Location:  Pallas has five research sites   


Governing institution:  Finnish Meteorological Institute


Station contact:  Juha Hatakka (  


Main web site:


Topography and History:  The program at Pallas has been operational since 1994.  There are five sites that make up the GAW base in Finland.  Sammaltunturi is the main GAW station, Laukukero and Kenttarova are automatic weather stations (AWS), and Matarova and Lompolojankka measure eddy covariances and sample atmospheric chemistry.  The topography of each of the five locations varies significantly from bog to forest.  The distance between Sodankylä and Pallas is only 125km.  Pallas was established to take atmospheric samples due to the Sodankylä Observatory's nearness to the the town of Sodankylä.  Tropospheric samples collected at the Observatory are influenced by pollution from the town.  Pallas is farther removed from human influence allowing for the aquisition of cleaner air samples.    



Sammaltunturi (main GAW station) 

Location: 67.974 N, 24.116 E, 560 m asl (1837 ft asl)


Facilities:  Two buildings make up Sammaltunturi, an older building and a new structure completed in 2001.  Equipment includes meteorological and atmospheric chemistry instrumentation. 


Purpose and History:  The purpose of the main station is to take both surface meteorological and atmospheric chemistry measurements.  Specifically, data on CO2, aerosols, NO, NO2, O3, SO2, and ambient Hydrogen are gathered at this location.  The station is situated in the Pallas-Ounastunturi National Park.  At 560m, Sammaltunturi is 100m above the tree line with little vegetation.  Altitude also contributes to the station's varying location above and below the inversion, a significant factor in determining air quality conditions and mixing. 



Laukukero (mountain station)

Location: 68.07N, 24.03E, 765m asl (2510ft asl)


Facilities:  Laukukero contains one small building with a computer and outdoor instruments to record met data.


Purpose and History:  This station is at the highest altitude of the 5 Pallas locations.  It was originally built and still is used as an automatic weather station.



Matarova (boreal forest) 

Location: 68.0 N, 24.23 E, 340 m asl (1115 ft asl)


Facilities:  There is one building equipped with sampling filters, an office area, and daily aerosol samplers.


Purpose and History:  Matarova is located approximately 6km to the northeast of Sammaltunturi and has been around since 1995.  In 2000, the building was expanded to make room for more instruments.  This station primarily takes atmospheric samples for the study of air quality and aerosols and is the one Pallas location not in the Pallas-Ounstunturi National Park.     


Kenttärova (boreal forest)

Location: 67.98 N, 24.25 E, 357 m asl (1171 ft asl)


Facilities:  This station has one building and a 20m measurement tower.  


Purpose and History:  Kenttarova began operations in 2002 and is 1.4km south of Matorova station.  The weather instruments used at the discontinued Pallasjarvi (weather) station were moved to Kenttarova.  In addition to basic met measurements, data on CO2 and energy fluxes is also acquired.      


Lompolojänkkä (open bog) 

Location: 68.0 N, 24.22 E, 269 m asl (883 ft asl)


Facilities:  There is one building with a structure to place air sampling devices at varying heights.


Purpose and History:  Lompolojankaa was opened in March 2005 and sits in a subarctic wetland.  Measurements at the station are focused on CO2 and CH4 fluxes and concentrations.



Click for Sodankyla, Finland Forecast 



Table of Measurements 








Arctic Research Centre at Sodankylä


Finnish Meteorological Institute

Meteorology - surface syn obs



Meteorology - upper air






Ozone - surface



Ozone - upper air



Total ozone



Radio nuclides



Radiation (global, diffuse, reflected, direct, global UV)



Boundary-layer research tower (Latent and sensible heat, momentum, ozone, temperature, winds, gradients of [CO2], radiation components)                                      






Aerosol sondes



Aerosol optical depth



Stratospheric water vapor



Eddy-covariance fluxes of CO2



Number concentration of condensation nuclei



NO2 column



Snow depth



Greenhouse gases



Soil measurements



UVB-UVA radiation



Evaporation   Finnish Environment Institute


Pallas Stations:




Atmospheric Research Station at Sammaltunturi  (GAW site)




Finnish Meteorological Institute

Meteorology - surface



Greenhouse gases


E. Dlugokencky and T. Conway (NOAA); J. Hatakka (FMI)

Radio Nuclides


J. Paatero (FMI)



H. Linavainen (FMI)

Reactive Gases


P. Novelli (NOAA)


Matorova - boreal forest



Finnish Meteorological Institute

Meteorology - surface






Heavy metals









Persistent Organic Pollutants (POPs)






Precipitation chemistry




Kenttärova - boreal forest



Finnish Meteorological Institute

CO2 flux



Air temperature



Soil moisture & temperature



Snow depth




Lompolojänkkä - open bog



Finnish Meteorological Institute

CO2 flux



Air temperature




Laukukero - mountain station



Finnish Meteorological Institute

Meteorology - surface




Other Stations




Luosto Fell



Finnish Meteorological Institute

Weather radar




Sodankylä Geophysical Observatory



University of Oulu 










Cosmic rays









All-sky camera









Ionispheric tomography

Other relevant links:


Data archives:

Pallas and Sodankylä database

BALTEX Sodankylä sounding archive (NCAR)

Integrated Global Radiosonde Archive (IGRA)


Informational links:

Global Atmosphere Watch (GAW) - Pallas Station page

Global Atmosphere Watch (GAW) - Sodankylä Station page

IPY Activities at FMI

Sodankylä and Pallas site report - updated 2008

Sodankylä ENVINET


All information on this page was gathered from the web sites and links listed above.  We welcome your comments - if you have any additions or corrections that apply to this page, please forward them to 


Back to:

IASOA Observatories Home Page

IASOA Observatories-At-A-Glance 


Last Updated ( Thursday, 27 May 2010 )
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