***Article 1
Total Cites: 404
Article Title: Ecological responses to recent climate change
Authors: Walther, GR, Post, E, Convey, P, Menzel, A, Parmesan, C, Beebee, TJC, Fromentin, JM, Hoegh-guldberg, O, Bairlein, F
Journal: NATURE
Volume: 416
Page: 389-395
Year: 2002
Addresses: 
· Univ Hannover, Inst Geobot, Hannover, Germany
· Penn State Univ, Dept Biol, Mueller Lab 208, University Pk, PA, USA
· British Antarctic Survey, NERC, Cambridge, England
· Tech Univ Munich, Dept Ecol, Freising Weihenstephan, Germany
· Univ Texas, Patterson Labs 141, Austin, TX, USA
· Univ Sussex, Sch Biol Sci, Brighton, England
· IFREMER, Ctr Halieut Mediterraneen & Trop, Sete, France
· Univ Queensland, Ctr Marine Studies, St Lucia, Australia
· Inst Vogelforsch Vogelwarte Helgoland, Wilhelmshaven, Germany

***Article 2
Total Cites: 328
Article Title: Acceleration of global warming due to carbon-cycle feedbacks in a coupled climate model
Authors: Cox, PM, Betts, RA, Jones, CD, Spall, SA, Totterdell, IJ
Journal: NATURE
Volume: 408
Page: 184-187
Year: 2000
Addresses: 
· Meteorol Off, Hadley Ctr, Bracknell, England
· Southampton Oceanog Ctr, Southampton, England

***Article 3
Total Cites: 280
Article Title: Increased activity of northern vegetation inferred from atmospheric CO2 measurements
Authors: Keeling, CD, Chin, JFS, Whorf, TP
Journal: NATURE
Volume: 382
Page: 146-149
Year: 1996
Addresses: 
· NOAA, CMDL, MAUNA LOA OBSERV, HILO, HI, USA
· UNIV CALIF SAN DIEGO, SCRIPPS INST OCEANOG, LA JOLLA, CA, USA

***Article 4
Total Cites: 268
Article Title: Causes of climate change over the past 1000 years
Authors: Crowley, TJ
Journal: SCIENCE
Volume: 289
Page: 270-277
Year: 2000
Addresses: 
· Texas A&M Univ, Dept Oceanog, College Stn, TX, USA

***Article 5
Total Cites: 250
Article Title: Fingerprints of global warming on wild animals and plants
Authors: Root, TL, Price, JT, Hall, KR, Schneider, SH, Rosenzweig, C, Pounds, JA
Journal: NATURE
Volume: 421
Page: 57-60
Year: 2003
Addresses: 
· Stanford Univ, Inst Int Studies, Ctr Environm Sci & Policy, Stanford, CA, USA
· Amer Bird Conservancy, Boulder, CO, USA
· Michigan State Univ, Dept Fisheries & Wildlife, E Lansing, MI, USA
· Stanford Univ, Dept Biol Sci, Stanford, CA, USA
· NASA, Goddard Inst Space Studies, New York, NY, USA
· Monteverde Cloud Forest Preserve & Trop Sci Ctr, Golden Toad Lab Conservat, Santa Elena, Costa Rica

***Article 6
Total Cites: 222
Article Title: Boreal forest plants take up organic nitrogen
Authors: Nasholm, T, Ekblad, A, Nordin, A, Giesler, R, Hogberg, M, Hogberg, P
Journal: NATURE
Volume: 392
Page: 914-916
Year: 1998
Addresses: 
· Swedish Univ Agr Sci, Dept Forest Genet & Plant Physiol, Umea, Sweden
· Swedish Univ Agr Sci, Dept Forest Ecol, Sect Soil Sci, Umea, Sweden

***Article 7
Total Cites: 205
Article Title: Biological consequences of global warming: is the signal already apparent?
Authors: Hughes, L
Journal: TRENDS ECOL EVOL
Volume: 15
Page: 56-61
Year: 2000
Addresses: 
· Macquarie Univ, Dept Biol Sci, N Ryde, Australia
· Macquarie Univ, Key Ctr Biodivers & Bioresources, N Ryde, Australia

***Article 8
Total Cites: 191
Article Title: Total carbon and nitrogen in the soils of the world
Authors: Batjes, NH
Journal: EUROPEAN JOURNAL OF SOIL SCIENCE
Volume: 47
Page: 151-163
Year: 1996
Addresses: 
· INT SOIL REFERENCE & INFORMAT CTR, POB 353, WAGENINGEN, NETHERLANDS

***Article 9
Total Cites: 180
Article Title: Simulated response of the ocean carbon cycle to anthropogenic climate warming
Authors: Sarmiento, JL, Hughes, TMC, Stouffer, RJ, Manabe, S
Journal: NATURE
Volume: 393
Page: 245-249
Year: 1998
Addresses: 
· Princeton Univ, Program Atmospher & Ocean Sci, Princeton, NJ, USA
· Princeton Univ, NOAA, Geophys Fluid Dynam Lab, Princeton, NJ, USA
· Bermuda Biol Stn Res, Ferry Reach, Bermuda

***Article 10
Total Cites: 179
Article Title: Strong radiative heating due to the mixing state of black carbon in atmospheric aerosols
Authors: Jacobson, MZ
Journal: NATURE
Volume: 409
Page: 695-697
Year: 2001
Addresses: 
· Stanford Univ, Dept Civil & Environm Engn, Stanford, CA, USA

***Article 11
Total Cites: 168
Article Title: Signature of recent climate change in frequencies of natural atmospheric circulation regimes
Authors: Corti, S, Molteni, F, Palmer, TN
Journal: NATURE
Volume: 398
Page: 799-802
Year: 1999
Addresses: 
· European Ctr Medium Range Weather Forecasts, Reading, England
· CINECA Int Comp Ctr, Bologna, Italy

***Article 12
Total Cites: 150
Article Title: Evidence that decomposition rates of organic carbon in mineral soil do not vary with temperature
Authors: Giardina, CP, Ryan, MG
Journal: NATURE
Volume: 404
Page: 858-861
Year: 2000
Addresses: 
· Univ Hawaii Manoa, Dept Nat Resources & Environm Management, Honolulu, HI, USA
· US Forest Serv, USDA, Rocky Mt Res Stn, Ft Collins, CO, USA
· Colorado State Univ, Grad Degree Program Ecol, Ft Collins, CO, USA

***Article 13
Total Cites: 146
Article Title: On modification of global warming by sulfate aerosols
Authors: Mitchell, JFB, Johns, TC
Journal: JOURNAL OF CLIMATE
Volume: 10
Page: 245-267
Year: 1997
Addresses: 
· HADLEY CTR CLIMATE PREDICT & RES, METEOROL OFF, LONDON RD, BRACKNELL, ENGLAND

***Article 14
Total Cites: 145
Article Title: Global warming in the twenty-first century: An alternative scenario
Authors: Hansen, J, Sato, M, Ruedy, R, Lacis, A, Oinas, V
Journal: P NATL ACAD SCI USA
Volume: 97
Page: 9875-9880
Year: 2000
Addresses: 
· NASA, Goddard Inst Space Studies, New York, NY, USA
· Columbia Univ, Earth Inst, Ctr Climate Syst Res, New York, NY, USA
· Rutgers State Univ, Ctr Environm Predict, New York, NY, USA

***Article 15
Total Cites: 143
Article Title: Making mistakes when predicting shifts in species range in response to global warming
Authors: Davis, AJ, Jenkinson, LS, Lawton, JH, Shorrocks, B, Wood, S
Journal: NATURE
Volume: 391
Page: 783-786
Year: 1998
Addresses: 
· Univ Leeds, Dept Biol, Ecol & Evolut Grp, Leeds, England
· Univ London Imperial Coll Sci Technol & Med, NERC, Ctr Populat Biol, Ascot, England

***Article 16
Total Cites: 143
Article Title: Changing concentration, lifetime and climate forcing of atmospheric methane
Authors: Lelieveld, J, Crutzen, PJ, Dentener, FJ
Journal: TELLUS B
Volume: 50
Page: 128-150
Year: 1998
Addresses: 
· Inst Marine & Atmospher Res Utrecht, Utrecht, Netherlands
· Max Planck Inst Chem, Mainz, Germany

***Article 17
Total Cites: 139
Article Title: External control of 20th century temperature by natural and anthropogenic forcings
Authors: Stott, PA, Tett, SFB, Jones, GS, Allen, MR, Mitchell, JFB, Jenkins, GJ
Journal: SCIENCE
Volume: 290
Page: 2133-2137
Year: 2000
Addresses: 
· Hadley Ctr Climate Predict & Res, Met Off, Bracknell, England
· Rutherford Appleton Lab, Space Sci & Technol Dept, Didcot, England
· Univ Oxford, Dept Phys, Oxford, England

***Article 18
Total Cites: 135
Article Title: The Arctic and Antarctic oscillations and their projected changes under global warming
Authors: Fyfe, JC, Boer, GJ, Flato, GM
Journal: GEOPHYSICAL RESEARCH LETTERS
Volume: 26
Page: 1601-1604
Year: 1999
Addresses: 
· Univ Victoria, Canadian Ctr Climate Modelling & Anal, Atmospher Environm Serv, Victoria, Canada

***Article 19
Total Cites: 127
Article Title: Parallel climate model (PCM) control and transient simulations
Authors: Washington, WM, Weatherly, JW, Meehl, GA, Semtner, AJ, Bettge, TW, Craig, AP, Strand, WG, Arblaster, J, Wayland, VB, James, R, Zhang, Y
Journal: CLIMATE DYNAMICS
Volume: 16
Page: 755-774
Year: 2000
Addresses: 
· Natl Ctr Atmospher Res, Boulder, CO, USA
· USA, Cold Reg Res & Engn Lab, Hanover, NH, USA
· USN, Postgrad Sch, Washington, DC, USA

***Article 20
Total Cites: 126
Article Title: El Nino-like climate change in a model with increased atmospheric CO2 concentrations
Authors: Meehl, GA, Washington, WM
Journal: NATURE
Volume: 382
Page: 56-60
Year: 1996
Addresses: 
· NATL CTR ATMOSPHER RES, BOULDER, CO, USA