Deep Blue: Browsing by Author "Sheldon, Nathan D."

A case for low atmospheric oxygen levels during Earth's middle history

Planavsky, N.J.; Cole, D.B.; Isson, T.T.; Reinhard, C.T.; Crockford, P.W.; Sheldon, Nathan D.; Lyons, T.W. (2018)

(1.2MB)

A new paleoprecipitation proxy based on soil magnetic properties: implications for expanding paleoclimate reconstructions

Hyland, E.G.; Sheldon, Nathan D.; Van der Voo, R.; Badgley, C.E.; Abrajevitch, A. (2015)

(760.1KB)

A new paleothermometer for forest paleosols and its implications for Cenozoic climate

Gallagher, T.M.; Sheldon, Nathan D. (2013)

(231.3KB)

(277.8KB)

Abrupt chemical weathering increase across the Permian-Triassic boundary

Sheldon, Nathan D. (2006)

(310.5KB)

Associations between redox- sensitive trace metals and microbial communities in a Proterozoic ocean analogue

Rico, Kathryn I.; Sheldon, Nathan D.; Kinsman‐costello, Lauren E. (University of MichiganWiley Periodicals, Inc., 2020-07)

(1.3MB)

(460.2KB)

C3 plant carbon isotope discrimination does not respond to CO2 concentration on decadal to centennial timescales

Stein, Rebekah A.; Sheldon, Nathan D.; Smith, Selena Y. (Wiley Periodicals, Inc.Springer, 2021-03)

(1.8MB)

(605.1KB)

(1020.5KB)

Carbon stable isotope composition of modern calcareous soil profiles in California: implications for CO2 reconstructions from calcareous paleosols

Tabor, N.; Myers, T.; Gulbranson, E.; Rasmussen, C.; Sheldon, Nathan D. (2013)

(982.2KB)

Causes and consequences of low atmospheric CO2 levels in the Mesoproterozoic

Sheldon, Nathan D. (2013)

(802.6KB)

Climate controls on soil respired CO2 in the United States: Implications for 21st century chemical weathering rates in temperate and arid ecosystems

Cotton, J.M.; Jeffery, M.L.; Sheldon, Nathan D. (2013)

(1MB)

Combining soil water balance and clumped isotopes to understand the nature and timing of pedogenic carbonate formation

Gallagher, T.G.; Sheldon, Nathan D. (2016)

(1.2MB)

(453.2KB)

Comment on "Paleosol-based paleoclimate reconstruction of the Paleocene-Eocene Thermal Maximum, northern Argentina" by Andrews, E., White, T., del Papa, C. (Palaeogeography, Palaeoclimatology, Palaeoecology 471, 181-195)

Hyland, E.G.; Sheldon, Nathan D. (2018)

(317.8KB)

Constraining the early Eocene climatic optimum: a terrestrial interhemispheric comparison

Hyland, E.G.; Sheldon, Nathan D.; Cotton, J.M. (2017)

(493.5KB)

(5MB)

Constraining the thermal history of the North American Midcontinent Rift System using carbon clumped isotopes and organic thermal maturity indices

Gallagher, T.G.; Sheldon, Nathan D.; Mauk, J.L.; Petersen, S.V.; Gueneli, N.; Brocks, J.J. (2017)

(1.5MB)

Continental climatic and weathering response to the Eocene-Oliogocene transition

Sheldon, Nathan D.; Costa, E.; Cabrera, L.; Garcés, M. (2012)

(509KB)

(212.2KB)

Contrasting geochemical signatures on land from the Middle and Late Permian extinction events

Sheldon, Nathan D.; Chakrabarti, Ramananda; Retallack, Gregory J.; Smith, Roger M. H. (Wiley Periodicals, Inc., 2014-10)

(1.6MB)

Coupled CO2-climate response during the Early Eocene Climatic Optimum (Green River Basin, Wyoming, USA)

Cotton, J.M.; Sheldon, Nathan D. (2013)

(5.3MB)

(855.6KB)

Coupling of marine and continental oxygen isotope records during the Eocene-Oligocene transition

Sheldon, Nathan D.; Grimes, S.T.; Hooker, J.J.; Collinson, M.E.; Bugler, M.J.; Hren, M.T.; Price, G.D.; Sutton, P.A. (2016)

(543.4KB)

Cyanobacterial life at low O 2 : community genomics and function reveal metabolic versatility and extremely low diversity in a Great Lakes sinkhole mat

Voorhies, A. A.; Biddanda, B. A.; Kendall, S. T.; Jain, S.; Marcus, D. N.; Nold, S. C.; Sheldon, Nathan D.; Dick, G. J. (Blackwell Publishing LtdWiley Periodicals, Inc., 2012-05)

(1.2MB)

Do red beds indicate paleoclimatic conditions?: A Permian case study

Sheldon, Nathan D. (2005)

(805.4KB)

Eocene vegetation dynamics in Montana inferred from a high-resolution phytolith record

Miller, L.; Smith, S.Y.; Sheldon, Nathan D.; Strömberg, C.A.E. (2012)

(1.7MB)

Equable end Mesoproterozoic climate in the absence of high CO2

Fiorella, R.P.; Sheldon, Nathan D. (2017)

(173.6KB)

(164.9KB)

Equation for compaction of paleosols due to burial

Sheldon, Nathan D.; Retallack, G.J. (2001)

(92KB)

Evidence for an early sagebrush ecosystem in the latest Eocene of Montana

Sheldon, Nathan D.; Hamer, J.M.M. (2010)

(753.4KB)

(67.2KB)

Examining the spatial consistency of palaeosol proxies: implications for paleoclimatic and palaeoenvironmental reconstructions in terrestrial sedimentary basins

Hyland, E.G.; Sheldon, Nathan D. (2016)

(2MB)

(927.5KB)

Geochemical climofunctions from North America soils and application to paleosols across the Eocene-Oligocene boundary in Oregon

Sheldon, Nathan D.; Retallack, G.J.; Tanaka, S. (2002)

(154KB)