Part B. Winter Flux Soils Lab Data
Project: Winter Flux study: C.L. Ping Group
Principle Investigator: Dr. Chien-Lu PingResearch Associate: Gary J. Michaelson
 University of Alaska FairbanksPalmer Research Center
 Palmer Research Center533 E. Fireweed
 533 E. FireweedPalmer, Alaska 99645
 Palmer, Alaska 99645tel: 907-746-9482; fax: 907-745-6268, pngjm@uaa.alaska.edu
 tel: 907-746-9462; fax: 907-746-2677, pfclp@uaa.alaska.edu
Data: data current to 12/01
 contact Dr. Ping or Gary Michaelson for current update or for questions regarding data.
       
Reference information for data in table
       
       
       
Column #
1Soil Horizon designation according to Soil Survey Division Staff [1994]
2Soil horizion thickness in centimeters as observed in the field.
3Soil pH taken in a water slurry in the ratio of volume 1 part water 1 part air-dried soil, Soil Survey Staff [1996]
4Electoconductivity of soil water with soil in saturated condition in decisiemens per cubic centimeter
52N KCl extractable ammonium-nitrogen
62N KCl extractable nitrate-nitrogen
7Mehlich3 (acid flouride) extractable phosphate-phosphorus
8Cation Exchange Capacity determined by 1N ammonium acetate pH 7 in milliequivents per 100g oven-dried soil [Soil Survey Laboratory Staff, 1996]
9Calcium exchangeable in 1N ammonium acetate at pH 7[Soil Survey Laboratory Staff, 1996]
10Magnesium exchangeable in 1N ammonium acetate at pH 7[Soil Survey Laboratory Staff, 1996]
11Sodium exchangeable in 1N ammonium acetate at pH 7[Soil Survey Laboratory Staff, 1996]
12Potassium exchangeable in 1N ammonium acetate at pH 7[Soil Survey Laboratory Staff, 1996]
13Base Saturation percentage or sum of cations in columns 9-12 as a percentage of column 8 [Soil Survey Laboratory Staff, 1996]
14Extractable acidity by barium chloride-TEA [Soil Survey Laboratory Staff, 1996]
15Iron extracted by ammonium Oxalate solution [Soil Survey Laboratory Staff, 1996]
16Silica extracted by ammonium Oxalate solution [Soil Survey Laboratory Staff, 1996]
17Aluminum extracted by ammonium Oxalate solution [Soil Survey Laboratory Staff, 1996]
18Iron extracted by citrate-dithionite solution [Soil Survey Laboratory Staff, 1996]
19Aluminum extracted by citrate-dithionite solution [Soil Survey Laboratory Staff, 1996]
20Manganese extracted by citrate-dithionite solution [Soil Survey Laboratory Staff, 1996]
21Iron extracted by sodium pyrophosphate solution [Soil Survey Laboratory Staff, 1996]
22Aluminum extracted by sodium pyrophosphate solution [Soil Survey Laboratory Staff, 1996]
23Soil water content on the date of sampling = (wt. of water/wt of 105C oven-dried soil)x100
24Soil bulk density = 105C oven-dried soil wt./volume of soil as sampled in the field condition
25Soil USDA textural class determined using hydrometer method for particle sizes [Soil Survey Laboratory Staff, 1996].
26percentage of oven-dried <2mm fraction clay sized particles (<0.002 mm) determined by hydrometer method [Soil Survey Laboratory Staff, 1996]
27percentage of oven-dried <2mm fraction silt-sized particles (0.002<0.05 mm) determined by hydrometer method [Soil Survey Laboratory Staff, 1996]
28percentage of oven-dried <2mm fraction sand-sized particles (0.05<2 mm) determined by hydrometer method [Soil Survey Laboratory Staff, 1996]
29volume percentage of >2mm mineral fragments in field sample
30Total organic carbon by LECO 1000 CHN analyzer
31Total nitrogen by LECO 1000 CHN analyzer
32soil horizon organic carbon stores based on field bulk density, volume% <2mm soil and ice, and horizon thickness, and %total organic carbon [Michaelson et al., 1996].
33soil horizon nitrogen stores based on field bulk density, volume% <2mm soil and ice, and horizon thickness, and %total nitrogen.
34soil pedon organic carbon stores to 100 cm depth, based on field bulk density, volume% <2mm soil and ice, and horizon thickness, and %total organic carbon [Michaelson et al., 1996].
35soil pedon nitrogen stores to 100 cm depth, based on field bulk density, volume% <2mm soil and ice, and horizon thickness, and %total nitrogen.
       
Literature Cited
       
Michaelson, G.J., C.L. Ping, and J.M. Kimble, 1996. Carbon storage and distribution in tundra soils of Arctic Alaska, U.S.A., Arctic and Alpine Research, Vol. 24, No. 4, pp. 414-424.
       
Soil Survey Laboratory Staff, 1996. Soil survey laboratory manual. Soil Survey Investigations Report No. 42, Version 3.0. USDA-Natural Resources Conservation Service-National Soil Survey Center, Lincoln, NE. 693pp.
       
Soil Survey Staff, 1994. Soil Survey Manual, US Government Printing Office, Washington DC. 869pp.