The Department of Earth Sciences at UNH aims to improve our understanding of the Earth, and the processes that affect it, through excellence in teaching, research, and service. We offer undergraduate and graduate degrees encompassing a broad spectrum of disciplines including geology, hydrology, oceanography, ocean mapping, geochemistry, climate science, and geophysics.

Faculty may submit research here.

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Submissions from 2023

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New Records of Southern Pine Beetle (Dendroctonus frontalis Zimmermann; Coleoptera: Curculionidae) in New York, New Hampshire, and Maine, USA Indicate Northward Range Expansion, Caroline R. Kanaskie, Thomas C. Schmeelk, Jessica A. Cancelliere, and Jeff R. Garnas

Submissions from 2022

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Hydrate Ridge—A Gas Hydrate System in a Subduction Zone Setting, Nathan L. Bangs, Joel E. Johnson, Anne M. Trehu, and Matthew A. Arsenault

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Nutrients Alter Methane Production and Oxidation in a Thawing Permafrost Mire, N. Niloufar Kashi, Erik A. Hobbie, Ruth K. Varner, Adam S. Wymore, Jessica G. Ernakovich, and Reiner Giesler

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Primary deposition and early diagenetic effects on the high saturation accumulation of gas hydrate in a silt dominated reservoir in the Gulf of Mexico, Joel E. Johnson, Douglas MacLeod, Stephen C. Phillips, Marcie Purkey Phillips, and David L. Divins

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Svyatogor Ridge—A Gas Hydrate System Driven by Crustal Scale Processes, Kate Alyse Waghorn, Joel E. Johnson, Stefan Bunz, Andreia Plaza-Faverola, Sunil Vadakkepuliyambatta, and Malin Waage

Submissions from 2021

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Diverse sediment microbiota shape methane emission temperature sensitivity in Arctic lakes, Joanne B. Emerson, Ruth Varner, Martin Wik, Donovan H. Parks, Rebecca B. Neumann, Joel E. Johnson, Caitlin M. Singleton, Ben J. Woodcroft, Rodney Tollerson II, Akosua Owusu-Dommey, Morgan Binder, Nancy L. Freitas, Patrick M. Crill, Scott R. Saleska, Gene W. Tyson, and Virginia I. Rich

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Isolating Detrital and Diagenetic Signals in Magnetic Susceptibility Records From Methane-Bearing Marine Sediments, Joel E. Johnson, Stephen C. Phillips, William C. Clyde, Liviu Giosan, and Marta E. Torres

Submissions from 2020

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A Laurentian margin subduction perspective: Geodynamic constraints from phase equilibria modeling of barroisite greenstones, northern USA Appalachians, I. W. Honsberger, Jo Laird, and Joel E. Johnson

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A new neolepadid cirripede from a Pleistocene cold seep, Krishna-Godavari Basin, offshore India, Andy S. Gale, Crispin T. S. Little, Joel E. Johnson, and Liviu Giosan

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Crustal processes sustain Arctic abiotic gas hydrate and fluid flow systems, K. A. Waghorn, S. Vadakkepuliyambatta, A. Plaza-Faverola, Joel E. Johnson, S. Bunz, and M. Waage

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Preservation of 34S-enriched sulfides in fossil sulfate-methane transition zones: new evidence from Miocene outcrops of the northern Apennines (Italy), C. Argentino, Joel E. Johnson, S. Conti, C. Fioroni, and D. Fontana

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Sedimentology and stratigraphy of a deep-water gas hydrate reservoir in the northern Gulf of Mexico, P. Kevin Meazell, Peter B. Flemings, Manasij Santra, and Joel E. Johnson

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The Agroecosystem Project at the Organic Dairy Research Farm, University of New Hampshire, John D. Aber, Matthew M. Smith, Allison M. Leach, William H. McDowell, Michelle Daley Shattuck, Nicole A. Williamson, Dena M. Hoffman, and J. Matthew Davis

Submissions from 2019

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Methane-derived authigenic carbonates on accretionary ridges: Miocene case studies in the northern Apennines (Italy) compared with modern submarine counterparts, C. Argentino, S. Conti, G. J. Crutchley, C. Fioroni, D. Fontana, and Joel E. Johnson

Submissions from 2018

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3‐D Seismic Investigation of a Gas Hydrate and Fluid Flow System on an Active Mid‐Ocean Ridge; Svyatogor Ridge, Fram Strait, Kate A. Waghorn, Stefan Bunz, Andreia Plaza-Faverola, and Joel E. Johnson

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Authigenic carbonate formation influenced by freshwater inputs and methanogenesis in coal-bearing strata offshore Shimokita, Japan (IODP site C0020), Stephen C. Phillips, Wei-Li Hong, Joel E. Johnson, Maria Florencia Fahnestock, and Julia G. Bryce

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Energy Gradients Structure Microbial Communities Across Sediment Horizons in Deep Marine Sediments of the South China Sea, Michael F. Graw, Grace D'Angelo, Matthew Borchers, Andrew R. Thurber, Joel E. Johnson, Chuanlun Zhang, and Frederick S. Colwell

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Gas hydrate dissociation off Svalbard induced by isostatic rebound rather than global warming, Klaus Wallmann, Michael Riedel, Wei-Li Hong, Henry Patton, Alun L. Hubbard, Thomas Pape, Chieh Wei Hsu, Christopher Schmidt, Joel E. Johnson, Marta E. Torres, Karin Andreassen, Christian Berndt, and Gerhard Bohrmann

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Methane seepage at Vestnesa Ridge (NW Svalbard) since the Last Glacial Maximum, Andrea Schneider, Giuliana Panieri, Aivo Lepland, Chiara Consolaro, Antoine Cremiere, Matthias Forwick, Joel E. Johnson, Andreia Plaza-Faverola, Simone Sauer, and Jochen Knies

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Modelling persistent methane seepage offshore western Svalbard since early Pleistocene, Jochen Knies, Matthias Daszinnies, Andreia Plaza-Faverola, Shyam Chand, Oyvind Sylta, Stefan Bunz, Joel E. Johnson, Rune Mattingsdal, and Jurgen Mienert

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Sediment Characteristics and Methane Ebullition in Three Subarctic Lakes, Martin Wik, Joel E. Johnson, Patrick M. Crill, Joel P. DeStasio, Lance Erickson, Madison J. Halloran, Maria Florencia Fahnestock, Maurice K. Crawford, Stephen C. Phillips, and Ruth K. Varner

Submissions from 2017

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An integrated view of the methane system in the pockmarks at Vestnesa Ridge, 79°N, Giuliana Panieri, Stefan Bunz, Daniel J. Fornari, Javier Escartin, Pavel Serov, Par Jansson, Marta E. Torres, Joel E. Johnson, Wei-Li Hong, Simone Sauer, Rafael Garcia, and Nuno Gracias

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Paleoenvironmental change in tropical Africa during the Holocene based on a record from Lake Kifuruka, western Uganda, LAWRENCE M. KIAGE, MEGHAN HOWEY, JOEL HARTTER, and MICHAEL W. PALACE

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Rock magnetic and geochemical evidence for authigenic magnetite formation via iron reduction in coal-bearing sediments offshore Shimokita Peninsula, Japan (IODP Site C0020), Stephen C. Phillips, Joel E. Johnson, William C. Clyde, Jacob B. Setera, Daniel P. Maxbauer, Silke Severmann, and Natascha Riedinger

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Short communication: Massive erosion in monsoonal central India linked to late Holocene land cover degradation, Liviu Giosan, Camilo Ponton, Muhammed Usman, Jerzy Glusztajn, Dorian Q. Fuller, Valier Galy, Negar Haghipour, Joel E. Johnson, Cameron McIntyre, Lukas Wacker, and Timothy I. Eglinton

Submissions from 2016

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Can continental bogs with stand the pressure due to climate change?, Nigel T. Roulet, E R. Humphreys, Jianghua Wu, Steve Frolking, Julie Talbot, P M. Lafleur, and Tim Moore

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Decrease in coccolithophore calcification and CO2 since the middle Miocene, Clara T. Bolton, Maria T. Hernandez-Sanchez, Miguel-Angel Fuertes, Saul Gonzalez-Lemos, Lorena Abrevaya, Ana Mendez-Vicente, Jose-Abel Flores, Ian Probert, Liviu Giosan, Joel E. Johnson, and Heather M. Stoll

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Estimating Tropical Forest Structure Using a Terrestrial Lidar, Michael W. Palace, Franklin B. Sullivan, Mark Ducey, and Christina Herrick

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Mid-twentieth century increases in anthropogenic Pb, Cd and Cu in central Asia set in hemispheric perspective using Tien Shan ice core, B Grigholm, Paul A. Mayewski, V Aizen, K Kreutz, Cameron P. Wake, E Aizen, S Kang, University of Maine - Main, M J. Handley, M J. Handley, and S B. Sneed

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Simulating carbon dioxide exchange in boreal ecosystems flooded by reservoirs, Youngil Kim, Nigel T. Roulet, Changsheng Li, Steve Frolking, Ian B. Strachan, Changhui Peng, Cristian R. Teodoru, Yves T. Prairie, and Alain Tremblay

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Simulating reactive nitrogen, carbon monoxide, and ozone in California during ARCTAS-CARB 2008 with high wildfire activity, Chenxia Cai, Sarika Kulkarni, Zhan Zhao, Ajith P. Kaduwela, Jeremy C. Avise, John A. DaMassa, Hanwant B. Singh, Andrew Weinheimer, Robert C. Cohen, Glenn S. Diskin, Paul Wennberg, Jack E. Dibb, Greg Huey, Armin Wisthaler, Jose L. Jimenez, and Michael J. Cubison

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The Potential for Abiotic Methane in Arctic Gas Hydrates, Joel E. Johnson, Kate Alyse Waghorn, Jurgen Mienert, and Stefan Bunz

Submissions from 2015

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Abiotic methane from ultraslow-spreading ridges can charge Arctic gas hydrates, Joel E. Johnson, Jurgen Mienert, Andreia Plaza-Faverola, Sunil Vadakkepuliyambatta, Jochen Knies, Stefan Bunz, Karin Andreassen, and Benedicte Ferre

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Brown carbon aerosol in the North American continental troposphere: sources, abundance, and radiative forcing, J. Liu, Eric Scheuer, Jack E. Dibb, G S. Diskin, L D. Ziemba, K L. Thornhill, B E. Anderson, A Whisthaler, T Mikoviny, J J. Devi, M Bergin, A E. Perring, M Z. Markovic, J P. Schwarz, P Campuzano-Jost, D A. Day, J L. Jimenez, and R J. Weber

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Carbon accumulation of tropical peatlands over millennia: a modeling approach, Sofyan Kurnianto, Matthew Warren, Julie Talbot, Boone Kauffman, Daniel Murdiyarso, and Steve Frolking

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Evolution of brown carbon in wildfire plumes, Haviland Forrister, Jiumeng Liu, Jack E. Dibb, Eric Scheuer, Luke D. Ziemba, Kenn L. Thornhill, Bruce Anderson, Glenn Diskin, Anne E. Perring, Joshua P. Schwarz, Pedro Campuzano-Jost, Douglas A. Day, Brett B. Palm, Jose L. Jimenez, Athanasios Nenes, and Rodney J. Weber

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Global rain-fed, irrigated, and paddy croplands: a new high resolution map derived from remote sensing, crop inventories and climate data, J Meghan Salmon, Mark A. Friedl, Dominik Wisser, Steve Frolking, and Ellen M. Douglas

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Greenness indices from digital cameras predict the timing and seasonal dynamics of canopy-scale photosynthesis, Michael Toomey, Mark A. Friedl, Steve Frolking, Koen Hufkens, Stephen Klosterman, Oliver Sonnentag, Dennis D. Baldocchi, Carl J. Bernacchi, Sebastien C. Biraud, Gil Bohrer, Edward Brzostek, Sean P. Burns, Carole Coursolle, David Y. Hollinger, Hank Margolis, Harry McCaughey, Russell K. Monson, J W. Munger, Stephen Pallardy, Richard P. Phillips, Margaret S. Torn, Sonia Wharton, Marcelo Zeri, and Andrew D. Richardson

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Here Today, Gone Tomorrow? Using Contrasting Peatland Histories To Determine Fate Of Permafrost Carbon With Future Climate Change And Permafrost Thaw, C C. Treat, M Jones, Steve Frolking, and J R. Alder

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Indian monsoon variations during three contrasting climatic periods: The Holocene, Heinrich Stadial 2 and the last interglacial–glacial transition, Coralie Zorzi, Maria Fernanda Sanchez Goni, Krishnamurthy Anupama, Srinivasan Prasad, Vincent Hanquiez, and Joel E. Johnson

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Integration of palaeohydrological proxies into a peatland model: a new tool for palaeoecological studies, Anne Quillet, Michelle Garneau, Simon Van Bellen, Steve Frolking, and Eeva-Stiina Tuittila

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Modeling impacts of changes in temperature and water table on C gas fluxes in an Alaskan peatland, Jia Deng, Changsheng Li, and Steve Frolking

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Modeling impacts of management on farmland soil carbon dynamics along a climate gradient in Northwest China during 1981-2000, Fan Zhang, Changsheng Li, Zheng Wang, Stanley Glidden, Danielle S. Grogan, Xuxiang Li, Yan Cheng, and Steve Frolking

Modelling the impacts of land use change on carbon dynamics in tropical peatlands using the tropical holocene peat model (HPMTrop), Steve Frolking, Zhaohua Dai, Sofyan Kurnianto, and Matthew Warren

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Neither dust nor black carbon causing apparent albedo decline in Greenland's dry snow zone: Implications for MODIS C5 surface reflectance, Chris Polashenski, Jack E. Dibb, Mark G. Flanner, Justin Y. Chen, Zoe R. Courville, Alexandra M. Lai, James J. Schauer, Martin M. Shafer, and Mike Bergin

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Observational Constraints on the Oxidation of NOx in the Upper Troposphere., Benjamin A. Nault, Charity Garland, Paul J. Wooldridge, William H. Brune, Pedro Campuzano-Jost, John D. Crounse, Douglas A. Day, Jack E. Dibb, L Gregory Huey, Xiaoxi Liu, Jose L. Jimenez, Tomas Mikoviny, Jeff Peischl, Ilana B. Pollack, Xinrong Ren, Thomas B. Ryerson, Eric Scheuer, Kirk Ullman, Paul Wennberg, Armin Wisthaler, Li Zhang, and Ronald C. Cohen

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Quantifying the link between crop production and mined groundwater irrigation in China, Danielle S. Grogan, Fan Zhang, Alexander Prusevich, Richard B. Lammers, Dominik Wisser, Stanley Glidden, Changsheng Li, and Steve Frolking

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Revealing important nocturnal and day-to-day variations in fire smoke emissions through a multiplatform inversion, Pablo E. Saide, David A. Peterson, Arlindo da Silva, Bruce Anderson, Luke D. Ziemba, Glenn Diskin, Glen Sachse, Jonathan Hair, Carolyn Butler, Marta Fenn, Jose L. Jimenez, Pedro Campuzano-Jost, Anne E. Perring, Joshua P. Schwarz, Milos Z. Markovic, Phil Russell, Jens Redemann, Yohei Shinozuka, David G. Streets, Fang Yan, Jack E. Dibb, Robert Yokelson, O Brian Toon, Edward Hyer, and Gregory R. Carmichael

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Role of tectonic stress in seepage evolution along the gas hydrate‐charged Vestnesa Ridge, Fram Strait, Andreia Plaza Faverola, Stefan Bunz, Joel E. Johnson, Shyam Chand, Jochen Knies, Jurgen Mienert, and Peter Franek

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Satellite radar anisotropy observed in urban areas, Aaron C. Puget, Steve Frolking, David G. Long, and Tom Milliman

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Simulating ice core 10Be on the glacial–interglacial timescale, C Elsasser, D Wagenbach, I Levin, A Stanzick, Mark J. Christl, A Wallner, S Kipfstuhl, I K. Seietstad, H Wershofen, and Jack E. Dibb

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South Asian monsoon history over the past 60 kyr recorded by radiogenic isotopes and clay mineral assemblages in the Andaman Sea, Sajid Ali, Ed C. Hathorne, Martin Frank, Daniel Gebregiorgis, Karl Stattegger, Roland Stumpf, Steffen Kutterolf, Joel E. Johnson, and Liviu Giosan

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Spatial scaling of reflectance and surface albedo over a mixed-use, temperate forest landscape during snow-covered periods, Elizabeth A. Burakowski, Scott V. Ollinger, Lucie Lepine, Crystal B. Schaaf, Zhuosen Wang, Jack E. Dibb, David Y. Hollinger, JiHyun Kim, Angel Erb, and Mary Martin

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Spectral aerosol extinction (SpEx): a new instrument for in situ ambient aerosol extinction measurements across the UV/visible wavelength range, C. E. Jordan, B E. Anderson, A J. Beyersdorf, C A. Corr, Jack E. Dibb, Margaret E. Greenslade, R F. Martin, R H. Moore, Eric Scheuer, M A. Shook, Kenn L. Thornhill, D Troop, Luke D. Ziemba, and E L. Winstead

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The POLARCAT Model Intercomparison Project (POLMIP): overview and evaluation with observations, L K. Emmons, S R. Arnold, S A. Monks, V Huijnen, S Tilmes, K S. Law, J L. Thomas, J C. Raut, I Bouarar, S Turquety, Y Long, B Duncan, S Steenrod, S Strode, J Flemming, J Mao, J Langner, A M. Thompson, D Tarasick, E C. Apel, D R. Blake, Robert C. Cohen, Jack E. Dibb, Glenn Diskin, A Fried, S R. Hall, L Gregory Huey, Andrew Weinheimer, Armin Wisthaler, Tomas Mikoviny, J Nowak, Jeff Peischl, J M. Roberts, Thomas B. Ryerson, C Warneke, and D Helmig

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The use and re-use of unsustainably mined groundwater: A global budget Details, Danielle S. Grogan, A Prousevitch, Dominik Wisser, Richard B. Lammers, and Steve Frolking

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Trade in water and commodities as adaptations to global change, T W. Hertel and A Prousevitch

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Tropical peatland carbon dynamics simulated for scenarios of disturbance and restoration and climate change, Steve Frolking, Matthew Warren, Z Dai, S Kurnianto, and Stephen Hagen

Submissions from 2014

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Adaptability of Irrigation to a Changing Monsoon in India: How far can we go?, E Zaveri, Danielle S. Grogan, K Fisher-Vanden, Steve Frolking, and D H. Wrenn

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Adaptability of Irrigation to a Changing Monsoon in India: How far can we go?, E Zaveri, Danielle S. Grogan, K Fisher-Vanden, Steve Frolking, D H. Wrenn, and R Nichilas

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Adapting a Global Flood Model for Regional Simulations: the CaMa-Flood Model as Applied to New England Catchments, Danielle S. Grogan, H Kim, D Yamazaki, Richard B. Lammers, Steve Frolking, and T Oki

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A late Miocene–Early Pliocene biogenic silica crash in the Andaman Sea and Bay of Bengal, Thomas Cawthern, Joel E. Johnson, Liviu Giosan, Jose-Abel Flores, Kelly K. Rose, and Evan A. Solomon

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Anomalous porosity preservation and preferential accumulation of gas hydrate in the Andaman accretionary wedge, NGHP-01 site 17A, Kelly K. Rose, Joel E. Johnson, Marta E. Torres, Wei-Li Hong, Liviu Giosan, Evan A. Solomon, Miriam Kastner, Thomas Cawthern, Philip E. Long, and H. Todd Schaef

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Arctic Air Pollution: New Insights from POLARCAT-IPY, Katherine S. Law, Andreas Stohl, Patricia K. Quinn, Charles A. Brock, John F. Burkhart, Jean-Daniel Paris, Gerard Ancellet, Hanwant B. Singh, Anke Roiger, Hans Schlager, Jack E. Dibb, Daniel J. Jacob, S R. Arnold, Jacques Pelon, and Jennie L. Thomas

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A shift of thermokarst lakes from carbon sources to sinks during the Holocene epoch, K.M. Walter Anthony, S A. Zimov, G Grosse, M C. Jones, P M. Anthony, F Stuart Chapin III, J C. Finlay, M C. Mack, S Davydov, P Frenzel, and Steve Frolking

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Assessing effects of permafrost thaw on C fluxes based on multiyear modeling across a permafrost thaw gradient at Stordalen, Sweden, Jia Deng, C Li, Steve Frolking, Y Zhang, K Backstrand, and P Crill

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Atmospheric oxidation chemistry and ozone production: Results from SHARP 2009 in Houston, Texas, Katherine A. Duderstadt, Jack E. Dibb, Charles H. Jackman, Cora E. Randall, Stanley C. Solomon, Michael J. Mills, Nathan A. Schwadron, and Harlan E. Spence

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Blending Natural Resources & Economic Development, Cameron P. Wake, Curt Grimm, and Alexandra Thorn

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Brown carbon in the continental troposphere, Jiumeng Liu, Eric Scheuer, Jack E. Dibb, Luke D. Ziemba, Kenn L. Thornhill, Bruce Anderson, Armin Wisthaler, Tomas Mikoviny, J J. Devi, Mike Bergin, and Rodney J. Weber

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Comparing MODIS daily snow albedo to spectral albedo field measurements in Central Greenland, Patrick Wright, Mike Bergin, Jack E. Dibb, Barry Lefer, Florent Domine, Tobey Carman, Carlo Carmagnola, Marie Dumont, Zoe R. Courville, Crystal B. Schaaf, and Zhuosen Wang

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Composition and origin of authigenic carbonates in the Krishna–Godavari and Mahanadi Basins, eastern continental margin of India, Barbara M. A. Teichert, Joel E. Johnson, Evan A. Solomon, Liviu Giosan, Kelly K. Rose, Murlidhar Kocherla, E. C. Connolly, and Marta E. Torres

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Data-driven diagnostics of terrestrial carbon dynamics over North America, Jingfeng Xiao, Scott V. Ollinger, Steve Frolking, George C. Hurtt, David Y. Hollinger, Kenneth J. Davis, Yude Pan, Xiaoyang Zhang, Feng Deng, Jiquan Chen, Dennis D. Baldacci, Beverly E. Law, Ankur R. Desai, M Altaf Arain, Andrew D. Richardson, Ge Sun, Brian Amiro, Hank Margolis, Lianhong Gu, Russell L. Scott, Peter D. Blanken, and Andrew E. Suyker

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Direct human influence on atmospheric CO2 seasonality from increased cropland productivity, Josh M. Gray, Steve Frolking, Eric A. Kort, Deepak K. Ray, Christopher J. Kucharik, Navin Ramankutty, and Mark A. Friedl

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Effect of Carex rostrata on seasonal and interannual variability in peatland methane emissions, Genevieve L. Noyce, Ruth Varner, Jill L. Bubier, and Steve Frolking

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Exploring the relationship between peatland net carbon balance and apparent carbon accumulation rate at century to millennial time scales, Steve Frolking, Julie Talbot, and Zack M. Subin

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Glaciers and small ice caps in the macro-scale hydrological cycle: an assessment of present conditions and future changes, Richard B. Lammers, R Hock, Alexander Prusevich, A Bliss, V Radic, Stanley Glidden, Danielle S. Grogan, and Steve Frolking

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Ice Cores from the St. Elias Mountains, Yukon, Canada: Their Significance for Climate, Atmospheric Composition and Volcanism in the North Pacific Region, Christian Zdanowicz, David Fisher, Jocelyne Bourgeois, Mike Demuth, James Zheng, Paul A. Mayewski, K Kreutz, Erich Osterberg, Kaplan Yalcin, Cameron P. Wake, Eric J. Steig, Duane Froese, and Kumiko Goto-Azuma

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Identification of greenhouse gas hot-spots and predicting district-wise GHG Intensities in rice based crop rotations in India using DNDC model, Jagadeesh Babu Yeluripati, Steve Frolking, Changsheng Li, D R. Nayak, and T K. Adhya

Impact of environmental variables on the reduction of nitric acid (HNO3) by volatile organic compounds emitted by motor vehicles, Y J. Leong, A P. Rutter, C V. Gutierrez, Hui Yi Wong, Mariam Junaid, Eric Scheuer, Jack E. Dibb, and R J. Griffin

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Impacts of recent droughts on North American terrestrial ecosystems, Jingfeng Xiao, Scott V. Ollinger, F Li, C Li, Steve Frolking, George C. Hurtt, Maria Rosa Guerrieri, Lucie Lepine, and Heidi Asbjornsen

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Influence of total organic carbon deposition on the inventory of gas hydrate in the Indian continental margins, Joel E. Johnson, Stephen C. Phillips, Marta E. Torres, Elena Pinero, Kelly K. Rose, and Liviu Giosan

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In situ permafrost thaw due to climate change drives holistic microbial community shifts with implications for methane cycling, R Monday, C K. McCalley, S B. Hodgkins, Virginia Rich, Steve Frolking, S R. Saleska, Andrew Barnes, J Chanton, and P Crill

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Intercomparison of field measurements of nitrous acid (HONO) during the SHARP campaign, J R. Pinto, Jack E. Dibb, B H. Lee, B Rappengluck, E C. Wood, M Levy, R Y. Zhang, Barry Lefer, Xinrong Ren, J Stutz, C Tsai, L Ackermann, J Golovko, S C. Herndon, M Oakes, Q Y. Meng, J W. Munger, M Zahniser, and J Zheng

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Joint data assimilation of satellite reflectance and net ecosystem exchange data constrains ecosystem carbon fluxes at a high-elevation subalpine forest, J M. Zobitz, David J.P. Moore, Tristan Quaife, Rob Braswell, Andrew Bergeson, Jeremy A. Anthony, and Russell K. Monson

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Land-Use/Land Cover Change as Driver of Earth System Dynamics: past progress, future priorities, and new data and models for advancing the science, George C. Hurtt, D M. Lawrence, V Brovkin, Katherine V. Calvin, L P. Chini, J Fisk, Steve Frolking, C D. Jones, N de Noblet-Ducoudre, J Pongratz, S I. Seneviratne, and E Shevliakova

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Long-timescale variation in bulk and clay mineral composition of Indian continental margin sediments in the Bay of Bengal, Arabian Sea, and Andaman Sea, Stephen C. Phillips, Joel E. Johnson, Michael B. Underwood, Junhua Guo, Liviu Giosan, and Kelly K. Rose

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Mapping Asian Cropping Intensity With MODIS, Josh M. Gray, Mark A. Friedl, Steve Frolking, Navin Ramankutty, Andrew Nelson, and Murali Krishna Gumma

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Mapping Crop Cycles in China Using MODIS-EVI Time Series, Le Li, Mark A. Friedl, Qinchuan Xin, Josh M. Gray, Yaozhong pan, and Steve Frolking

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Mercury Speciation at a Coastal Site in the Northern Gulf of Mexico: Results from the Grand Bay Intensive Studies in Summer 2010 and Spring 2011, Xinrong Ren, Winston T. Luke, Paul Kelley, Mark Cohen, Fong Ngan, Richard Artz, Jake Walker, Steve Brooks, Christopher Moore, Phil Swartzendruber, Dieter Bauer, James Remeika, Anthony Hynes, Jack E. Dibb, John Rolison, Nishanth Krishnamurthy, William M. Landing, Arsineh Hecobian, Jeffery Shook, and L Gregory Huey

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Moderate-resolution remote sensing and geospatial analyses of microclimates, mounds, and maize in the Northern Great Lakes, Meghan Howey, Michael W. Palace, Crystal McMichael, and Rob Braswell

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Monsoon-influenced variation in productivity and lithogenic sediment flux since 110 ka in the offshore Mahanadi Basin, northern Bay of Bengal, Stephen C. Phillips, Joel E. Johnson, Liviu Giosan, and Kelly K. Rose

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Multi-sensor remote sensing of the extent and persistence of the 2005 Amazon drought, Steve Frolking, Rob Braswell, Tom Milliman, M Alonzo, Stephen Hagen, D A. Roberts, and Michael W. Palace

Nitrate deposition to surface snow at Summit, Greenland, following the 9 November 2000 solar proton event, Jack E. Dibb

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Nitrate deposition to surface snow at Summit, Greenland, following the 9 November 2000 solar proton event, Katherine A. Duderstadt, Jack E. Dibb, Charles H. Jackman, Cora E. Randall, Stanley C. Solomon, Michael J. Mills, Nathan A. Schwadron, and Harlan E. Spence

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Predicting pre-Columbian anthropogenic soils in Amazonia, Crystal McMichael, Michael W. Palace, M B. Bush, Rob Braswell, Stephen Hagen, E G. Neves, and M R. Silman

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Representation of multiple cropping systems in land use data sets, K Waha, A Bondeau, Steve Frolking, F T. Portmann, and S Siebert

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Sedimentation rates from calcareous nannofossil and planktonic foraminifera biostratigraphy in the Andaman Sea, northern Bay of Bengal, and eastern Arabian Sea, Jose-Abel Flores, Joel E. Johnson, Alejandra E. Mejia-Molina, M. C. Alvarez, Francisco J. Sierro, S. D. Singh, Syamal Mahanti, and Liviu Giosan

Simulating the impacts of climate change and land conversion on the carbon balance of tropical peatlands in Indonesia, Steve Frolking, Sofyan Kurnianto, Matthew Warren, and Daniel Murdiyarso

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Size and frequency of natural forest disturbances and Amazon carbon balance, Fernando D.B. Espirito-Santo, Manuel Gloor, Michael Keller, Yadvinder Malhi, Sassan Saatchi, Bruce Nelson, Raimundo C. Oliveira Jr, Cleuton Pereira, Jon Lloyd, Steve Frolking, Michael W. Palace, Yosio E. Shimabukuro, Valdete Duarte, Abel Monteagudo Mendoza, Gabriela Lopez-Gonzalez, Tim R. Baker, Ted Feldpausch, Roel J.W. Brienen, Gregory P. Asner, Doreen S. Boyd, and Oliver L. Phillips

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Temperature and peat type control CO2 and CH4production in Alaskan permafrost peats, C C. Treat, Wilfred M. Wollheim, Ruth Varner, Andrew S. Grandy, Julie Talbot, and Steve Frolking