Submissions from 2016
Examining spectral reflectance features related to foliar nitrogen in forests: Implications for broad-scale nitrogen mapping, Lucie C. Lepine, Scott V. Ollinger, Andrew P. Ouimette, and Mary E. Martin
Recent trends in vegetation greenness in China significantly altered annual evapotranspiration and water yield, Yibo Liu, Jingfeng Xiao, Weimin Ju, Ke Xu, Yanlian Zhou, and Yantai Zhao
Tradeoffs between three forest ecosystem services across the state of New Hampshire, USA: Timber, Carbon, and Albedo, David A. Lutz, Elizabeth A. Burakowski, Mackenzie B. Murphy, Mark E. Borsuk, Rebecca M. Niemiec, and Richard B. Howarth
Contrasting ecosystem CO2 fluxes of inland and coastal wetlands: A meta-analysis of eddy covariance data, Weizhi Lu, Jingfeng Xiao, Fang Liu, Yue Zhang, Chang'an Liu, and Guanghui Lin
Framework to Use CMIP5, System Dynamics, and Monte Carlo Analysis to Quantify the Impact of Climate Change on Pavements, Rajib B. Mallick, Jennifer M. Jacobs, Benjamin J. Miller, Jo S. Daniel, and Paul H. Kirshen
Understanding the impact of climate change on pavements with CMIP5, system dynamics and simulation, Rajib B. Mallick, Jennifer M. Jacobs, Benjamin J. Miller, Jo S. Daniel, and Paul H. Kirshen
Focus on the impact of climate change on wetland ecosystem and carbon dynamics, Lei Meng, Nigel Roulet, Qianlai Zhuang, Torben R. Christensen, and Stephen E. Frolking
Dissolved organic carbon uptake in streams: A review and assessment of reach‐scale measurements, Madeleine M. Mineau, Wilfred M. Wollheim, Ishi Buffam, Stuart E. G. Findlay, Robert O. Hall Jr., Erin R. Hotchkiss, Lauren E. Koenig, William H. McDowell, and Thomas B. Parr
Morton et al. reply, Douglas C. Morton, Jyoteshwar Nagol, Claudia C. Carabajal, Jacqueline Rosette, Michael W. Palace, Bruce D. Cook, Eric F. Vermote, David J. Harding, and Peter R. J. North
Understanding the influence of climate change on the embodied energy of water supply, Weiwei Mo, Haiying Wang, and Jennifer M. Jacobs
Estimating Tropical Forest Structure Using a Terrestrial Lidar, Michael W. Palace, Franklin B. Sullivan, Mark Ducey, and Christina Herrick
Nation, College, Wartime: Archaeology at a WWI Student Army Training Corps Camp at New Hampshire College, Jillian Price and Meghan L. Howey
Elemental and isotopic perspectives on the impact of arbuscular mycorrhizal and ectomycorrhizal fungi on mineral weathering across imposed geologic gradients, K. A. Remiszewski, Julia G. Bryce, Maria F. Fahnestock, E. A. Pettitt, J. Blichert-Toft, Matthew A. Vadeboncoeur, and S. W. Bailey
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
Uplift of Central Mongolia Recorded in Vesicular Basalts, D. Sahagian, Alexander A. Prusevich, L. D. Ancuta, B. D. Idleman, and P. K. Zeitler
Planning for Climate Change in Muskoka: A Report from the Muskoka Watershed Council, Peter Sale, Richard B. Lammers, Norman Yan, Neil Hutchinson, Kevin Trimble, Paul Dinner, Piret Hurrell, Jan McDonnell, and Scott Young
Environmental science applications with Rapid Integrated Mapping and analysis System (RIMS), Alexander I. Shiklomanov, Alexander A. Prusevich, E. Gordov, I. Okladnikov, and A. Titov
Planning, implementation and scientific goals of the Studies of Emissions and Atmospheric Composition, Clouds and Climate Coupling by Regional Surveys (SEAC4RS) field mission, Owen B. Toon, Hal Maring, Jack E. Dibb, Richard Ferrare, Daniel J. Jacob, Eric J. Jensen, Z. Johnny Luo, Gerald G. Mace, Laura L. Pan, Lenny Pfister, Karen H. Rosenlof, Jens Redemann, Jeffrey S. Reid, Hanwant B. Singh, Anne M. Thompson, Robert Yokelson, Patrick Minnis, Gao Chen, Kenneth W. Jucks, and Alex Pszenny
Why do models overestimate surface ozone in the Southeast United States, Katherine R. Travis, Daniel J. Jacob, Jenny A. Fisher, Patrick S. Kim, Eloise A. Marais, Lei Zhu, Karen Yu, Christopher C. Miller, Robert M. Yantosca, Melissa P. Sulprizio, Anne M. Thompson, Paul O. Wennberg, John D. Crounse, Jason M. St. Clair, Ronald C. Cohen, Joshua L. Laughner, Jack E. Dibb, Samuel R. Hall, Kirk Ullmann, and Glenn M. Wolfe
Longer thaw seasons increase nitrogen availability for leaching during fall in tundra soils, Claire C. Treat, Wilfred M. Wollheim, Ruth K. Varner, and William B. Bowden
Trends in Population and Land Use Lamprey River Watershed, New Hampshire, Cameron P. Wake and Josephine A. Lamprey
Impacts of land use, restoration, and climate change on tropical peat carbon stocks in the 21st century: Implications for climate mitigation, Matthew Warren, Stephen E. Frolking, Zhaohua Dai, and Sofyan Kurnianto
Climate-sensitive northern lakes and ponds are critical components of methane release, Martin Wik, Ruth K. Varner, Katey Walter Anthony, Sally MacIntyre, and David Bastviken
Influence of hemlock woolly adelgid infestation on the physiological and reflectance characteristics of eastern hemlock, Justin Patrick Williams, Ryan P. Hanavan, Barrett N. Rock, Subhash C. Minocha, and Ernst Linder
Low-level Adelges tsugae infestation detection in New England through partition modeling of Landsat data, Justin Patrick Williams, Ryan P. Hanavan, Barrett N. Rock, Subhash C. Minocha, and Ernst Linder
Stream tracer breakthrough curve decomposition into mass fractions: A simple framework to analyze and compare conservative solute transport processes, Adam N. Wlostowski, Michael N. Gooseff, William B. Bowden, and Wilfred M. Wollheim
Comment on “Low time resolution analysis of ice cores cannot detect impulsive nitrate events” by D. F. Smart et al., E. W. Wolff, M. Bigler, M. A. J. Curran, Jack E. Dibb, M. M. Frey, M. Legrand, and J. R. McConnell
Annual estimates of nitrogen loading to the Ipswich River Watershed, 1931 - 2014., Wilfred Wollheim
Year 2012, 15 minute measurements of stage in a small headwater stream draining a highly suburban catchment (72% residential), Saw Mill Brook, Burlington, MA., Wilfred Wollheim
Year 2013, 15 minute measurements of stage in a small headwater stream draining a highly suburban catchment (72% residential), Saw Mill Brook, Burlington, MA., Wilfred Wollheim
Year 2014, 15 minute measurements of stage in a small headwater stream draining a highly suburban catchment (72% residential), Saw Mill Brook, Burlington, MA., Wilfred Wollheim
Year 2015, 15 minute measurements of stage in a small headwater stream draining a highly suburban catchment (72% residential), Saw Mill Brook, Burlington, MA., Wilfred Wollheim
From Headwaters to Rivers to River Networks: Scaling in Stream Ecology, Wilfred M. Wollheim
Preface: Impacts of extreme climate events and disturbances on carbon dynamics, Jingfeng Xiao, Shuguang Liu, and Paul C. Stoy
Improving carbon cycle projections for better carbon management, Jingfeng Xiao, Yiqi Luo, and Gyami Shrestha
Sensitivity to grid resolution in the ability of a chemical transport model to simulate observed oxidant chemistry under high-isoprene conditions, Karen Yu, Daniel J. Jacob, Jenny A. Fisher, Patrick S. Kim, Eloise A. Marais, Christopher C. Miller, Katherine R. Travis, Lei Zhu, Robert M. Yantosca, Melissa P. Sulprizio, Ronald C. Cohen, Jack E. Dibb, Alan Fried, Tomas Mikoviny, Thomas B. Ryerson, Paul O. Wennberg, and Armin Wisthaler
Invisible water, visible impact: How unsustainable groundwater use challenges sustainability of Indian agriculture under climate change, Esha Zaveri, Danielle S. Grogan, Karen Fisher-Vanden, Stephen E. Frolking, Richard B. Lammers, Douglas H. Wrenn, Alexander A. Prusevich, and Robert E. Nicholas
Drought events and their effects on vegetation productivity in China, Li Zhang, Jingfeng Xiao, Yu Zhou, Yi Zheng, Jing Li, and Han Xiao
Submissions from 2015
If you like skiing or snowboarding, you should care about climate change, Elizabeth A. Burakowski
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
Anthropogenic influence on Amazonian forests in pre‐history: An ecological perspective, Mark B. Bush, Crystal H. McMichael, Dolores R. Piperno, Miles R. Silman, Jos Barlow, Carlos A. Peres, Mitchell Power, and Michael W. Palace
Toward an integrated monitoring framework to assess the effects of tropical forest degradation and recovery on carbon stocks and biodiversity, Mercedes M. C. Bustamante, Iris Roitman, T. Mitchell Aide, Ane Alencar, Liana O. Anderson, Luiz Aragao, Gregory P. Asner, Jos Barlow, Erika Berenguer, Jeffrey Chambers, Marcos H. Costa, Thierry Fanin, Laerte G. Ferreira, Joice Ferreira, Michael Keller, William E. Magnusson, Lucia Morales-Barquero, Douglas Morton, Jean P. H. B. Ometto, Michael W. Palace, Carlos A. Peres, Divino Silverio, Susan Trumbore, and Ima C. G. Vieira
Soil microbial communities as much over time as with chronic warming and nitrogen additions, Alexandra R. Contosta, Serita D. Frey, and Andrew B. Cooper
Convergence of soil nitrogen isotopes across global climate gradients, Joseph M. Craine, Andrew J. Elmore, Lixin Wang, Laurent Augusto, W. Troy Baisden, E. N. J. Brookshire, Michael D. Cramer, Niles J. Hasselquist, Erik A. Hobbie, Ansgar Kahmen, Keisuke Koba, J. Marty Kranabetter, Michelle C. Mack, Erika Marin-Spiotta, Jordan R. Mayor, Kendra K. McLauchlan, Anders Michelsen, Gabriela B. Nardoto, Rafael S. Oliveira, Steven S. Perakis, Pablo L. Peri, Carlos A. Quesada, Andreas Richter, and Louis A. Schipper
Modeling impacts of changes in temperature and water table on C gas fluxes in an Alaskan peatland, Jia Deng, Changsheng Li, and Steve Frolking
Modeling ammonia emissions from dairy production systems in the United States, Jia Deng, Changsheng Li, and Ying Wang
Use of a portable, automated, open-circuit gas quantification system and the sulfur hexafluoride tracer technique for measuring enteric methane emissions in Holstein cows fed ad libitum or restricted, C. D. Dorich, Ruth K. Varner, A. B. D. Pereira, R. Martineau, K. J. Soder, and Andre F. Brito
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
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
The promise and peril of intensive-site-based ecological research: insights from the Hubbard Brook ecosystem study, Timothy J. Fahey, Pamela H. Templer, Bruce T. Anderson, John J. Battles, John L. Campbell, Charles T. Driscoll, Anthony R. Fusco, Mark B. Green, Karim-Aly S. Karrim, Nicholas L. Rodenhouse, Lindsay E. Rustad, Paul G. Schaberg, and Matthew A. Vadeboncoeur
BAAD: a Biomass And Allometry Database for woody plants, Daniel S. Falster, Remko A. Duursma, Masae I. Ishihara, Diego R. Barneche, Richard G. Fitzjohn, Angelica Varhammar, Masahiro Aiba, Makoto Ando, Niels Anten, Michael J. Aspinwall, Jennifer L. Baltzer, Chrisopher Baraloto, Michael Battaglia, John J. Battles, Ben Bond-Lamberty, Michiel van Breugel, James Camac, Yves Claveau, Lluis Coll, Masako Dannoura, Sylvain Delagrange, Jean-Christophe Domec, Farrah Fatemi, and Matthew A. Vadeboncoeur
Monthly land cover-specific evapotranspiration models derived from global eddy flux measurements and remote sensing data, Yuan Fang, Ge Sun, Peter Caldwell, Steven G. McNulty, Asko Noormets, Jean-Christophe Domec, John King, Zhiqiang Zhang, Xudong Zhang, Guanghui Lin, Guangsheng Zhou, Jingfeng Xiao, and Jiquan Chen
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
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
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
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
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
Sampling in the Snow: Winter Field Experiences Provide Relevant, Real World Connections Between Scientific Practice and Disciplinary Core Ideas, Eric Hanson and Elizabeth A. Burakowski
Climate Projections for Transportation Infrastructure Planning, Operations and Maintenance, and Design, Katharine Hayhoe, Anne M. Stoner, Sachith Abeysundara, Jo S. Daniel, Jennifer M. Jacobs, Paul H. Kirshen, and Rasmus Benestad
Scaling from single-point sap velocity measurements to stand transpiration in a multi-species deciduous forest: uncertainty sources, stand structure effect, and future scenarios impacts, Virginia Hernandez-Santana, Adan Hernandez-Hernandez, Matthew A. Vadeboncoeur, and Heidi Asbjornsen
Trade in water and commodities as adaptations to global change, T W. Hertel and A Prousevitch
River Discharge, R. M. Holmes, Alexander I. Shiklomanov, Suzanne E. Tank, James W. McClelland, and M. Tretiakov
Geospatial landscape permeability modeling for archaeology: A case study of food storage in northern Michigan, Meghan L. Howey
Social Alterity and the Landscapes of the Upper Great Lakes, 1200-1600, Meghan L. Howey
Sustaining Cultural Heritage at UNH, Meghan L. Howey
Differentiating anthropogenic modification and precipitation-driven change on vegetation productivity on the Mongolian Plateau, Ranjeet John, Jiquan Chen, Youngwook Kim, Zu-tao Ou-yang, Jingfeng Xiao, Hoguen Park, Changliang Shao, Yaoqi Zhang, Amartuvshin Amarjargal, Ochirbat Batkhshig, and Jiaguo Qi
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
Grain-size distribution of volcaniclastic rocks 2: Characterizing grain size and hydraulic sorting, Martin Jutzeler, Jocelyn McPhie, Sharon R. Allen, and Alexander A. Prusevich
Urban Evolution: The Role of Water, Sujay S. Kaushal, William H. McDowell, Wilfred M. Wollheim, Tamara A. Newcomer Johnson, Paul M. Mayer, Kenneth T. Belt, and Michael J. Pennino
The ectomycorrhizal status of a tropical black bolete, Phlebopus portentosus, assessed using mycorrhizal synthesis and isotopic analysis, Jaturong Kumla, Erik A. Hobbie, Nakarin Suwannarach, and Saisamorn Lumyong
Carbon accumulation of tropical peatlands over millennia: a modeling approach, Sofyan Kurnianto, Matthew Warren, Julie Talbot, Boone Kauffman, Daniel Murdiyarso, and Steve Frolking
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
Understorey plant community and light availability in conifer plantations and natural hardwood forests in Taiwan, Tzu-Yang Liu, Kuo-Chuan Lin, Matthew A. Vadeboncoeur, Ming-Zhen Chen, Meng-Yuan Huang, and Teng-Chiu Lin
Water use efficiency of China's terrestrial ecosystems and responses to drought, Yibo Liu, Jingfeng Xiao, Weimin Ju, Shaoqiang Wang, and Xiaocui Wu
Coordination and Sustainability of River Observing Activities in the Arctic, James W. McClelland, Suzanne E. Tank, Robert G. M. Spencer, and Alexander I. Shiklomanov
Redefining fine roots improves understanding of below‐ground contributions to terrestrial biosphere processes, M. Luke McCormack, Ian A. Dickie, David M. Eissenstat, Timothy J. Fahey, Christopher W. Fernandez, Dali Guo, Helja-Sisko Helmisaari, Erik A. Hobbie, Colleen M. Iversen, Robert B. Jackson, Jaana Leppalammi-Kujansuu, Richard J. Norby, Richard P. Phillips, Kurt S. Pregitzer, Seth G. Pritchard, Boris Rewald, and Marcin Zadworny
Deployment of a Large-Scale Soil Moisture Geosensor Network- Experience and Lessons Learnt, Gopal K. Mulukutla, Brian T. Godbois, and Serita D. Frey
Observational constraints on the oxidation of NOx in the upper troposphere, Benjamin A. Nault, Charity Garland, Paul J. Woodridge, William H. Brune, Pedro Campuzano-Jost, John D. Crounse, Douglas A. Day, Jack E. Dibb, Samuel R. Hall, L. Gregory Huey, Jingqiu Mao, Tomas Mikoviny, Jeff Peischl, Ilana B. Pollack, Xinrong Ren, Thomas B. Ryerson, Eric M. Scheuer, Kirk Ullmann, Paul O. Wennberg, and Armin Wisthaler
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
Making sense of the troubles at NEON, Scott V. Ollinger
Estimating forest structure in a tropical forest using field measurements, a synthetic model and discrete return lidar data, Michael W. Palace, Franklin B. Sullivan, Mark J. Ducey, Robert N. Treuhaft, Christina Herrick, Julia Z. Shimbo, and Jonas Mota-E Silva
Remote sensing of foliar nitrogen in cultivated grasslands of human dominated landscapes, Paul A. Pellissier, Scott V. Ollinger, Lucie C. Lepine, Michael W. Palace, and William H. McDowell
Field Test of a Remote Multi-Path CLaDS Methane Sensor, Genevieve Plant, Michal Nikodem, Phil Mulhall, Ruth K. Varner, David Sonnenfroh, and Gerard Wysocki
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
Satellite radar anisotropy observed in urban areas, Aaron C. Puget, Steve Frolking, David G. Long, and Tom Milliman
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
Baseflow physical characteristics differ at multiple spatial scales in stream networks across diverse biomes, Janine Ruegg, Walter K. Dodds, Melinda D. Daniels, Ken R. Sheehan, Christina L. Baker, William B. Bowden, Kaitlin J. Farrell, Michael B. Flinn, Tamara K. Harms, Jeremy B. Jones, Lauren E. Koenig, John S. Kominoski, William H. McDowell, Samuel P. Parker, Amy D. Rosemond, Matt T. Trentman, Matt Whiles, and Wilfred M. Wollheim
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
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
Soil nitrogen affects phosphorus recycling: foliar resorption and plant–soil feedbacks in a northern hardwood forest, Craig R. See, Ruth D. Yanai, Melany C. Fisk, Matthew A. Vadeboncoeur, Braulio A. Quintero, and Timothy J. Fahey
Permafrost hydrology in changing climatic conditions: seasonal variability of stable isotope composition in rivers in discontinuous permafrost, Dmitry A. Streletskiy, Nikita I. Tananaev, Thomas Opel, Nikolay I. Shiklomanov, Kelsey E. Nyland, Irina D. Streletskaya, Igor Tokarev, and Alexander I. Shiklomanov
Drought impacts on ecosystem functions of the U.S. National Forests and Grasslands: Part I evaluation of a water and carbon balance model, Shanlei Sun, Ge Sun, Peter Caldwell, Steve McNulty, Erika Cohen, Jingfeng Xiao, and Yang Zhang