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Soil Organic Carbon Sequestration by Tillage and Crop Rotation: A Global Data Analysis (Site Descriptions)

West, T.O., and W.M. Post. 2002. Soil Organic Carbon Sequestration by Tillage and Crop Rotation: A Global Data Analysis . Carbon Dioxide Information Analysis Center, U.S. Department of Energy, Oak Ridge National Laboratory, Oak Ridge, Tennessee, U.S.A.

Site descriptions of agricultural experiments used in this study.

Site ID City State/Country Latitude (deg) Longitude (deg) Annual Precip.1 (mm) Annual Temp.1 (°C) Soil type Sand2 (%) Silt2 (%) Clay2 (%) Exp. Duration (y) Year Established
AL01 Crossville Alabama 34.18 -86.01 1325 16 Hartsells sandy loam #65 #20 #15 10 1979
AL02 Auburn Alabama 32.88 -85.81 1346 18 Pacolet sandy loam #65 #20 #15 99 1896
Alb01 Rycroft Alberta 55.43 -118.41 449 2 Falher clay 6 31 63 6 1989
Alb02a Lethbridge Alberta 49.42 -112.5 402 5 Chokio clay loam 41 27 32 78 1912
Alb02b Lethbridge Alberta 49.42 -112.5 402 5 Chokio clay loam 41 27 32 34 1951
Alb02c Lethbridge Alberta 49.42 -112.5 402 5 Chokio clay loam 41 27 32 24 1968
Arg01 Cordoba Argentina -32.42 -62.05 900 17 Marcos Juarez silty loam 10 65 25 17 1975
Arg02 Balcarce Argentina -37.45 -58.18 870 13.7   #10 #65 #25   1984
Arg03 Buenos Aires Argentina -37.52 -63.01 654 15 sandy loam #65 #20 #15 15 1975
Aus01 Warwick Australia -28.12 152.06 685 17.5 Hermitage clay 11 24 65 20 1968
Aus02 Wagga Wagga Australia -34.54 147.64 550 *17 clay loam #35 #38 27 10 1979
Aus03 Condobolin Australia -33 147 430 17.2 clay loam #35 #38 #27 14 1979
Aus04 Warra Australia -26.47 150.53 *925 *17   #27 #17 #56 10 1986
Bra01 Eldorado do Sul Brazil -30.5 -51.38 1440 19.4 Acrisol sandy clay loam 54 24 22 9 1985
Bri01 Dawson Creek British Columbia 55.46 -120.21 297 -1.6 Donnelly silt loam 28 49 23 10 1978
Den01 Jutland Denmark 55.28 9.07 *602 *8 #65 #20 #15 90 1895
Edi01 Edinburgh Scotland 55.83 -3.6 *845 *7 Macmerry loam 56.7 30.3 13 24 1967
Edi02 Edinburgh Scotland 55.83 -3.6 *845 *7 Winton sandy clay loam 53.4 30.9 15.7 24 1967
Eng01 Harpenden England 51.63 -0.45 *594 *10   13 67 20 123 1852
Eng03 North Yorkshire England 53.85 -1.3 661 *9 Wothersome sandy clay loam 45 30 25 9 1971
Fra01 Essone France 48.23 1.63 600 10.5   #58 #20 22 15 1970
GA01 Athens Georgia 33.56 -83.22 1246 16.5 Hiwassee loam 64 12 22 16 1978
Ger02 Giessen Germany 51 8.64 600 9 sand 65 29.3 57 17 1980
IA01 Kanawha Iowa 42.98 -93.64 813 7.8 Webster clay loam 21.9 44.9 33.2 36 1954
IA02 Nashua Iowa 42.97 -92.68 825 8 Kenyon loam 31.9 45.6 22.4   1979
IA03 Sutherland Iowa 42.92 -95.96 711 8 Galva silty clay loam 2.6 62.2 35.2   1956
IA04 Boone County Iowa 42 -93.79 840 8.9 Canisteo silty clay loam #10 #55 #35   1992
IL01 Vienna Illinois 37.43 -88.94 *1159 *13.7 Grantsburg silt loam 4 77 19 6 1989
IL02 Urbana Illinois 40.06 -88.13 1004 11 Flanagan silt loam 8 67 25 69 1876
IL03 Urbana Illinois 40.06 -88.13 1004 11 Thorp silty loam #20 #65 #15 9 1986
IL04 Elwood Illinois 41.2 -88.1 905 9.3 Blount silt loam 17.7 57.7 24.6 6 1975
IN01   Indiana 41.24 -86.85 *981 *10 Tracy sandy loam 59 39 3 7 1973
IN02   Indiana 40.13 -85.29 *1000 *10 Chalmers silty clay loam 9 59 32 7 1975
KA01 Manhattan Kansas 39.09 -96.37 835 12.8 Muir silt loam 8 66 26 12 1974
KA02 Manhattan Kansas 39.09 -96.37 835 12.8 Grundy silt loam #20 #65 #15 12 1974
KA03 Manhattan Kansas 39.09 -96.37 835 12.8 Eudora silt loam #20 #65 #15 8 1978
KY01 Lexington Kentucky 38.07 -84.29 1140 13 Maury silt loam 7 70 23 20 1970
MD01 Wye Mills Maryland 38.9 -76.05 *1116 *13 Bertie silt loam #20 #65 #15 12 1973
MD02 Quantico Maryland 38.37 -75.75 *1127 *13 Mattapex silt loam #20 #65 #15 12 1973
MD03 Clarksville Maryland 39.1 -76.79 *1063 *13 Delanco silt loam #20 #65 #15 11 1974
MI01 East Lansing Michigan 42.5 -85.5 782 8.6 Metea loamy sand #80 #10 #10 19 1963
MI02 Saginaw Valley Michigan 43.23 -84.07 788 8.6 Sims sandy clay loam 54 20 26 20 1972
MN01 Lamberton Minnesota 44.14 -95.18 632 6.2 Webster clay loam 31 42 27 31 1960
MN02 Waseca Minnesota 44 -93.3 790 6.9 Nicollet clay loam 40.9 32.6 26.5 11 1969
MN03 Waseca Minnesota 44 -93.3 790 6.9 Webster clay loam 30.8 32.8 36.4 6 1975
MO01 Columbia Missouri 38.57 -93.2 973 13 Mexico silt loam 8 75 17 100 1888
MS01 Senatobia Mississippi 34.31 -89.57 *1393 *17 Grenada silt loam #20 #65 #15 8 1987
MT01 Culbertson Montana 48.36 -104.73 360 4.9 Dooley sandy loam #65 #20 #15 9 1983
ND01 Grant County North Dakota 46.46 -100.55 402 5 Temvik-Wilton silt loam 27.6 51.67 20.7 7 1984
ND02 Fargo North Dakota 46.95 -96.95 503 5.1 Fargo clay #17 #38 #45 10 1977
NE01a Sidney Nebraska 41.13 -102.59 380 8 Duroc silty loam 40 35 25 22 1970
NE01b Sidney Nebraska 41.13 -102.59 380 8 Duroc silty loam 40 35 25 22 1970
NE02 Sydney Nebraska 41.1 -103 380 8 Alliance silt loam 37.1 40 22.9 12 1968
NE03a Mead Nebraska 41.24 -96.6 *771 *11 Sharpsburg silty clay loam #10 #55 #35 10 1983
NE03b Mead Nebraska 41.1 -96.25 680 11 Sharpsburg silty clay loam #18 #50 #32 16 1975
NE04 Lincoln Nebraska 40.65 -96.47 *776 *11 Sharpsburg silty clay loam #60 #15 #25 10 1981
Nor01 As Norway 59.67 10.7 *740 *6 clay loam #35 #30 #35 31 1953
Nor02 Tune Norway 59.25 10.95 *740 *6 clay #17 #38 #45 13 1976
OH01 Wooster Ohio 40.8 -82 905 9.1 Wooster silt loam 25 60 15 31 1962
OH02 Hoytville Ohio 41 -84 845 9.5 Hoytville silty clay loam 21 42 37 30 1963
OH03 South Charleston Ohio 39.8 -83.5 952 11.9 Crosby silt loam 15 65 20 30 1963
OK01 El Reno Oklahoma 35.4 -97.6 822 15.8 Bethany silt loam 25 52 23 11 1983
Ont01 Woodslee Ontario 42.13 82.44 876 8.9 Brookston clay loam 28 35 37 35 1959
OR01a Pendleton Oregon 45.44 -118.37 420 10.2 Walla Walla silt loam 12 70 18 65 1931
OR01b Pendleton Oregon 45.44 -118.37 420 10.2 Walla Walla silt loam 12 70 18 44 1940
Que01 Quebec Canada 45.84 -73.31 *940 *6.5 Neubois silt loam 27 50 23 11 1978
Sas01 Indian Head Saskatchewan 50.32 -103.31 427 2.5 Indian Head heavy clay 16.3 20.6 63.1 30 1957
Sas02 Melfort Saskatchewan 52.49 -104.36 410 0.8 Melfort sily clay 16.6 42 41.4 30 1957
Sas03a Swift Current Saskatchewan 50.17 -107.48 358 3.5 Swinton loam 30 50 20 23 1966
Sas03b Swift Current Saskatchewan 50.17 -107.48 358 3.5 Swinton loam #30 #50 #20 14 1981
Sas04 Cantuar Saskatchewan 50.17 -107.48 358 3.5 Hatton fine sandy loam 72 18 10 15 1982
Sas05 Stewart Valley Saskatchewan 50.17 -107.48 358 3.5 Sceptre heavy clay 26 32 42 15 1982
SC01 Florence South Carolina 34.18 -79.44 *1117 *17.4 Norfold loamy sand #80 #10 #10 7 1979
Swe01 Uppsala Sweden 59.93 17.93 *555 *7 clay loam 22 41 37 35 1956
TX02 Bushland Texas 35.11 -102.05 473 14 Pullman clay loam 21.8 50 28.2 12 1982
TX03 Temple Texas 31.49 -97.57 860 19 Houston Black clay 4.8 39 56.2 10 1983
TX04 Corpus Christi Texas 27.66 -97.57 660 22 Orelia sandy loam 55.7 20.8 23.5 15 1979
WI01 Arlington Wisconsin 43.18 -89.21 791 7.6 Plano silt loam 10 68 22 23 1958
WI02 Lancaster Wisconsin 42.51 -90.42 833 7.8 Rosetta silt loam 6 77 17 24 1967
Zea01 Palmerston North New Zealand -40.38 175.45 *1546 *13 Tokomaru silt loam #20 #65 #15 10 1978
Zea02 Wakanui New Zealand -43.21 172.3 750 *11 Wakanui silt loam 5 67 28 9 1978
Zea03 Canterbury New Zealand -43.21 172.3 650 *11 Wakanui silt loam #20 #65 #15 10 1979

1 Values displayed in red and preceded by asterisk (*) were estimated from U.S. and global climate databases.

2 Values displayed in red and preceded by pound sign (#) were estimated using the soil textural triangle based on soil types and classifications provided in the published papers.