LTER network Toolik Field Station MBLhome page

Sun and Moon

Toolik Weather Graphs

Arctic LTER Weather Stations

Toolik Webcam

Animated Gif of yesterday's Webcam

Arctic LTER Inhouse login

  Our web site has beed moved. Please update your bookmarks for the new site.

Arctic LTER Database

Arctic LTER Database

Conditions of Use

The re-use of scientific data has the potential to greatly increase communication, collaboration and synthesis within and among disciplines, and thus is fostered, supported and encouraged. Permission to use this dataset is granted to the Data User free of charge subject to the following terms:

1) Acceptable use. Use of the dataset will be restricted to academic, research, educational, government, recreational, or other not-for-profit professional purposes. The Data User is permitted to produce and distribute derived works from this dataset provided that they are released under the same license terms as those accompanying this Data Set. Any other uses for the Data Set or its derived products will require explicit permission from the dataset owner.
2 ) Redistribution. The data are provided for use by the Data User. The metadata and this license must accompany all copies made and be available to all users of this Data Set. The Data User will not redistribute the original Data Set beyond this collaboration sphere.
3 ) Citation. It is considered a matter of professional ethics to acknowledge the work of other scientists. Thus, the Data User will properly cite the Data Set in any publications or in the metadata of any derived data products that were produced using the Data Set. Citation should take the following general form: Creator, Year of Data Publication, Title of Dataset, Publisher, Dataset identifier. For example:

Shaver, G. 1989. Above ground biomass in acidic tussock tundra experimental site, 1989, Arctic LTER, Toolik, Alaska. Arctic LTER, Marine Biological Lab, Woods Hole, Ma 02543. 1989gsttbm 

4 ) Acknowledgement. The Data User should acknowledge any institutional support or specific funding awards referenced in the metadata accompanying this dataset in any publications where the Data Set contributed significantly to its content. Acknowledgements should identify the supporting party, the party that received the support, and any identifying information such as grant numbers. For example:

Data sets were provided by the Arctic LTER. This material is based upon work supported by the National Science Foundation under Grants #DEB-981022, 9211775, 8702328; #OPP-9911278, 9911681, 9732281, 9615411, 9615563, 9615942, 9615949, 9400722, 9415411, 9318529; #BSR 9019055, 8806635, 8507493.

5 ) Notification. The Data User will notify the Data Set Contact when any derivative work or publication based on or derived from the Data Set is distributed. The Data User will provide the data contact with two reprints of any publications resulting from use of the Data Set and will provide copies, or on-line access to, any derived digital products. Notification will include an explanation of how the Data Set was used to produce the derived work.
6 ) Collaboration. The Data Set has been released in the spirit of open scientific collaboration. Data Users are thus strongly encouraged to consider consultation, collaboration and/or co-authorship with the Data Set Creator.

By accepting this Data Set, the Data User agrees to abide by the terms of this agreement. The Data Owner shall have the right to terminate this agreement immediately by written notice upon the Data User's breach of, or non-compliance with, any of its terms. The Data User may be held responsible for any misuse that is caused or encouraged by the Data User's failure to abide by the terms of this agreement.


While substantial efforts are made to ensure the accuracy of data and documentation contained in this Data Set, complete accuracy of data and metadata cannot be guaranteed. All data and metadata are made available "as is". The Data User holds all parties involved in the production or distribution of the Data Set harmless for damages resulting from its use or interpretation.

Dataset URLs:METADATA: HTML, Rich Text, XML(EML compliant)
DATA: Comma Delimited, Excel file with Metadata and data
Dataset ID:IPYsnowshrub2007
Dataset Title:Welker IPY snow shrub 2008 soil temperatuers and soil water content Toolik, Alaska.
Investigator 1: 
First Name:Jeff
Last Name:Welker
Organization:Ecosystem/Biomedical Lab
Address line 2:University of Alaska
Address line 3:
Zip Code:99508
Investigator 2: 
First Name:Paddy
Last Name:Sullivan
Organization:Ecosystem/Biomedical Lab
Address line 2:University of Alaska
Zip Code:99508
Associate Investigators:
Keywords:IPY fences
Abstract:This is a study of how soil temperatures at 10 cm and soil moisture change across the summer at our IPY snow fence site
For questions about the Metadata and data contact the Investigators.
For information about this web site contact:
Arctic LTER Information Manager
The Ecosystems Center
Marine Biological Lab
7 MBL St
Woods Hole, MA 02543
Phone (508) 289 7496
Online URL:
Data File URL
Data File Name NF_soil_temp_and_soil_water_08
Beginning Date 6/7/2008
End Date 8/31/2008
Number of Data Records 337
Other Files to Reference
Availability Status
Quality Control Information
Maintenance Description
Log of Changes: Version 1 : Mar 2011 Received file from Jeff Welker. Updated the metadata sheet and created eml files and web files. JimL
Geographic Description three locations on the eastern side of the Toolik River where by snow fences were established as part of IPY  
Location Bounding Box    
West Bounding Coordinate    
East Bounding Coordinate    
North Bounding Coordinate    
South Bounding Coordinate    
OR if single point location    
Latitude 68.381182  
Longitude -149.5712167  
Elevation 741  
Organisms studied
Methods: This is soil temperature from three locations on the eastern side of the Toolik River where by snow fences were established as part of IPY. Measurements were taken at 3 locations (3 replicates) with four treatments, control, drift, drift and shoveled and drift, shoveled and watered ( C, D, DS, DSW). The three replicates were called: upper, south, north (U, S, N).

At approximatly biweek periods we have measured soil temperature (oC) at 10 cm using a hand held thermometer probe inserted into the soil and we used a Water sense probe (dielectic method) to measure soil water content by volume. These measurments were taken in conjunction with our periodic CO2 flux measurements.

Data Table

Variable Name Variable Description Data Type Units DateTime Format Code Information Missing Value Code
Block Block-these are the locations of the set of treatments-one block consist of all four snow treatments: upper, south, north text        
Treatment Treatment-these are the four different snow mannipulaiton treatments, control where now fence was put up, a drift treatment which is behind the snow fence (1 m x 15 m), the drift plus shoveling which involved snow removal before melt and drift, plus shoveling plus added water after melt. text        
Date Date is the calender day of flux measurements datetime   dd/mm/yyyy    
Plot Plot is the subsamples within a treatment text        
Type Type is measurments in between tussocks or on tussocks text        
Soil temperature soil temps number celsius      
soil water content soil water number percent      
Please contact with questions, comments, or for technical assistance regarding this web site.