Hyytiälä SMEAR II LTER - Finland

Basic Information

Site Name: 

Hyytiälä SMEAR II LTER

Short name : 

HYY-SMR

Country (Site Location): 

Finland

LTER Member Network: 

Contact: Site Manager: 

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General Site Description: 

The SMEAR site (Station for Measuring Ecosystem-Atmosphere Relations) is situated in the Hyytiälä Forestry Field Station of the University of Helsinki. The site consists of a managed, 50-yr old Scots pine forest stand, two open oligotrophic fen sites and a humic lake with forested catchment. The main idea of SMEAR type infrastructures is continuous, comprehensive measurements of fluxes, storages and concentrations in the land ecosystem–atmosphere continuum. The forest measurements are operated continuously since 1996, and include e.g. leaf, stand and ecosystem scale measurements of greenhouse gases, volatile organic compounds, pollutants (e.g. O3, SO2, NOx) and aerosols, in addition to full suite of meteorological measurements. The biogeochemical cycles and vegetation–soil–atmosphere interactions are studied both experimentally and with long-term observations. The site has full carbon, water and nitrogen budgets made over 10 years, and it is a full ICOS ecosystem station.

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General Characteristics, Purpose, History

Site Status: 

existing

Year Site Established: 

1910

Size : 

20 000.00ha

Purpose of Site : 

The site is primarily focused on the studies on land surface–atmosphere relationships, mostly by conducting long-term observation. The overall aim is to provide information on climate and environmental changes; these questions are by definition such that they can be effectively studied only by collecting multidisciplinary, long-term data sets.

History of Site: 

The Hyytiälä Forestry Field Station was established in 1910. The SMEAR 2 flux measurement station established in 1995.

Research Topics: 

Parameters: 

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Geographic

Coordinates: 

Latitude: 61.850300000000
Longitude: 24.295000000000