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Wildman EJ, Lawrence GB, Walsh A, Morita K, Simpson S, Ritter C, Stenning GBG, Arevalo-Lopez AM, Mclaughlin AC. Observation of an exotic insulator to insulator transition upon electron doping the Mott insulator CeMnAsO. Nat Commun 2023;14:7037. [PMID: 37923745 PMCID: PMC10624918 DOI: 10.1038/s41467-023-42858-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 10/17/2023] [Indexed: 11/06/2023] Open

McDonnell TC, Driscoll CT, Sullivan TJ, Burns DA, Baldigo BP, Shao S, Lawrence GB. Regional target loads of atmospheric nitrogen and sulfur deposition for the protection of stream and watershed soil resources of the Adirondack Mountains, USA. Environ Pollut 2021;281:117110. [PMID: 33872891 DOI: 10.1016/j.envpol.2021.117110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 04/01/2021] [Accepted: 04/06/2021] [Indexed: 06/12/2023]

Abstract

Acidic deposition contributes to a range of environmental impacts across forested landscapes, including acidification of soil and drainage water, toxic aluminum mobilization, depletion of available soil nutrient cations, and impacts to forest and aquatic species health and biodiversity. In response to decreasing levels of acidic deposition, soils and drainage waters in some regions of North America have become gradually less acidic. Thresholds of atmospheric deposition at which adverse ecological effects are manifested are called critical loads (CLs) and/or target loads (TLs). Target loads are developed based on approaches that account for spatial and temporal aspects of acidification and recovery. Exceedance represents the extent to which current or projected future levels of acidic deposition exceed the level expected to cause ecological harm. We report TLs of sulfur (S) and nitrogen (N) deposition and the potential for ecosystem recovery of watershed soils and streams in the Adirondack region of New York State, resources that have been less thoroughly investigated than lakes. Regional TLs were calculated by statistical extrapolation of hindcast and forecast simulations of 25 watersheds using the process-based model PnET-BGC coupled with empirical observations of stream hydrology and established sensitivity of sugar maple (Acer saccharum) to soil base saturation and brook trout (Salvelinus fontinalis) to stream acid neutralizing capacity (ANC). Historical impacts and the expected recovery timeline of regional soil and stream chemistry and fish community condition within the Adirondack Park were evaluated. Analysis suggests that many low-order Adirondack streams and associated watershed soils have low TLs (<40 meq/m²/yr of N + S deposition) to achieve specified benchmarks for recovery of soil base saturation or stream ANC. Acid-sensitive headwater and low-order streams and watershed soils in the region are expected to experience continued adverse effects from N and S deposition well into the future even under aggressive emissions reductions. Watershed soils and streams in the western Adirondack Park are particularly vulnerable to acidic deposition and currently in exceedance of TLs. The methods used for linking statistical and process-based models to consider chemical and biological response under varying flow conditions at the regional scale in this study can be applied to other areas of concern.

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Stern SA, Weaver HA, Spencer JR, Olkin CB, Gladstone GR, Grundy WM, Moore JM, Cruikshank DP, Elliott HA, McKinnon WB, Parker JW, Verbiscer AJ, Young LA, Aguilar DA, Albers JM, Andert T, Andrews JP, Bagenal F, Banks ME, Bauer BA, Bauman JA, Bechtold KE, Beddingfield CB, Behrooz N, Beisser KB, Benecchi SD, Bernardoni E, Beyer RA, Bhaskaran S, Bierson CJ, Binzel RP, Birath EM, Bird MK, Boone DR, Bowman AF, Bray VJ, Britt DT, Brown LE, Buckley MR, Buie MW, Buratti BJ, Burke LM, Bushman SS, Carcich B, Chaikin AL, Chavez CL, Cheng AF, Colwell EJ, Conard SJ, Conner MP, Conrad CA, Cook JC, Cooper SB, Custodio OS, Dalle Ore CM, Deboy CC, Dharmavaram P, Dhingra RD, Dunn GF, Earle AM, Egan AF, Eisig J, El-Maarry MR, Engelbrecht C, Enke BL, Ercol CJ, Fattig ED, Ferrell CL, Finley TJ, Firer J, Fischetti J, Folkner WM, Fosbury MN, Fountain GH, Freeze JM, Gabasova L, Glaze LS, Green JL, Griffith GA, Guo Y, Hahn M, Hals DW, Hamilton DP, Hamilton SA, Hanley JJ, Harch A, Harmon KA, Hart HM, Hayes J, Hersman CB, Hill ME, Hill TA, Hofgartner JD, Holdridge ME, Horányi M, Hosadurga A, Howard AD, Howett CJA, Jaskulek SE, Jennings DE, Jensen JR, Jones MR, Kang HK, Katz DJ, Kaufmann DE, Kavelaars JJ, Keane JT, Keleher GP, Kinczyk M, Kochte MC, Kollmann P, Krimigis SM, Kruizinga GL, Kusnierkiewicz DY, Lahr MS, Lauer TR, Lawrence GB, Lee JE, Lessac-Chenen EJ, Linscott IR, Lisse CM, Lunsford AW, Mages DM, Mallder VA, Martin NP, May BH, McComas DJ, McNutt RL, Mehoke DS, Mehoke TS, Nelson DS, Nguyen HD, Núñez JI, Ocampo AC, Owen WM, Oxton GK, Parker AH, Pätzold M, Pelgrift JY, Pelletier FJ, Pineau JP, Piquette MR, Porter SB, Protopapa S, Quirico E, Redfern JA, Regiec AL, Reitsema HJ, Reuter DC, Richardson DC, Riedel JE, Ritterbush MA, Robbins SJ, Rodgers DJ, Rogers GD, Rose DM, Rosendall PE, Runyon KD, Ryschkewitsch MG, Saina MM, Salinas MJ, Schenk PM, Scherrer JR, Schlei WR, Schmitt B, Schultz DJ, Schurr DC, Scipioni F, Sepan RL, Shelton RG, Showalter MR, Simon M, Singer KN, Stahlheber EW, Stanbridge DR, Stansberry JA, Steffl AJ, Strobel DF, Stothoff MM, Stryk T, Stuart JR, Summers ME, Tapley MB, Taylor A, Taylor HW, Tedford RM, Throop HB, Turner LS, Umurhan OM, Van Eck J, Velez D, Versteeg MH, Vincent MA, Webbert RW, Weidner SE, Weigle GE, Wendel JR, White OL, Whittenburg KE, Williams BG, Williams KE, Williams SP, Winters HL, Zangari AM, Zurbuchen TH. Initial results from the New Horizons exploration of 2014 MU₆₉, a small Kuiper Belt object. Science 2019;364:364/6441/eaaw9771. [PMID: 31097641 DOI: 10.1126/science.aaw9771] [Citation(s) in RCA: 88] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Accepted: 04/16/2019] [Indexed: 11/02/2022]

Affiliation(s)

S A Stern Southwest Research Institute, Boulder, CO 80302, USA.
H A Weaver Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
J R Spencer Southwest Research Institute, Boulder, CO 80302, USA
C B Olkin Southwest Research Institute, Boulder, CO 80302, USA
G R Gladstone Southwest Research Institute, San Antonio, TX 78238, USA
W M Grundy Lowell Observatory, Flagstaff, AZ 86001, USA
J M Moore NASA Ames Research Center, Space Science Division, Moffett Field, CA 94035, USA
D P Cruikshank NASA Ames Research Center, Space Science Division, Moffett Field, CA 94035, USA
H A Elliott Southwest Research Institute, San Antonio, TX 78238, USA.,Department of Physics and Astronomy, University of Texas, San Antonio, TX 78249, USA
W B McKinnon Department of Earth and Planetary Sciences and McDonnell Center for the Space Sciences, Washington University, St. Louis, MO 63130, USA
J Wm Parker Southwest Research Institute, Boulder, CO 80302, USA
A J Verbiscer Department of Astronomy, University of Virginia, Charlottesville, VA 22904, USA
L A Young Southwest Research Institute, Boulder, CO 80302, USA
D A Aguilar Independent consultant, Carbondale, CO 81623, USA
J M Albers Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
T Andert Universität der Bundeswehr München, Neubiberg 85577, Germany
J P Andrews Southwest Research Institute, Boulder, CO 80302, USA
F Bagenal Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO 80303, USA
M E Banks NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
B A Bauer Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
J A Bauman KinetX Aerospace, Tempe, AZ 85284, USA
K E Bechtold Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
C B Beddingfield NASA Ames Research Center, Space Science Division, Moffett Field, CA 94035, USA.,SETI Institute, Mountain View, CA 94043, USA
N Behrooz Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
K B Beisser Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
S D Benecchi Planetary Science Institute, Tucson, AZ 85719, USA
E Bernardoni Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO 80303, USA
R A Beyer NASA Ames Research Center, Space Science Division, Moffett Field, CA 94035, USA.,SETI Institute, Mountain View, CA 94043, USA
S Bhaskaran Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
C J Bierson Earth and Planetary Science Department, University of California, Santa Cruz, CA 95064, USA
R P Binzel Massachusetts Institute of Technology, Cambridge, MA 02139, USA
E M Birath Southwest Research Institute, Boulder, CO 80302, USA
M K Bird Argelander-Institut für Astronomie, University of Bonn, Bonn D-53121, Germany.,Rheinisches Institut für Umweltforschung, Universität zu Köln, Cologne 50931, Germany
D R Boone Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
A F Bowman Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
V J Bray Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721, USA
D T Britt Department of Physics, University of Central Florida, Orlando, FL 32816, USA
L E Brown Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
M R Buckley Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
M W Buie Southwest Research Institute, Boulder, CO 80302, USA
B J Buratti Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
L M Burke Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
S S Bushman Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
B Carcich Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA.,Cornell University, Ithaca, NY 14853, USA
A L Chaikin Independent science writer, Arlington, VT 05250, USA
C L Chavez NASA Ames Research Center, Space Science Division, Moffett Field, CA 94035, USA.,SETI Institute, Mountain View, CA 94043, USA
A F Cheng Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
E J Colwell Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
S J Conard Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
M P Conner Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
C A Conrad Southwest Research Institute, Boulder, CO 80302, USA
J C Cook Pinhead Institute, Telluride, CO 81435, USA
S B Cooper Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
O S Custodio Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
C M Dalle Ore NASA Ames Research Center, Space Science Division, Moffett Field, CA 94035, USA.,SETI Institute, Mountain View, CA 94043, USA
C C Deboy Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
P Dharmavaram Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
R D Dhingra University of Idaho, Moscow, ID 83844, USA
G F Dunn Southwest Research Institute, San Antonio, TX 78238, USA
A M Earle Massachusetts Institute of Technology, Cambridge, MA 02139, USA
A F Egan Southwest Research Institute, Boulder, CO 80302, USA
J Eisig Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
M R El-Maarry Department of Earth and Planetary Sciences, Birkbeck, University of London, London WC1E 7HX, UK
C Engelbrecht Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
B L Enke Southwest Research Institute, Boulder, CO 80302, USA
C J Ercol Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
E D Fattig Southwest Research Institute, San Antonio, TX 78238, USA
C L Ferrell Southwest Research Institute, Boulder, CO 80302, USA
T J Finley Southwest Research Institute, Boulder, CO 80302, USA
J Firer Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
J Fischetti KinetX Aerospace, Tempe, AZ 85284, USA
W M Folkner Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
M N Fosbury Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
G H Fountain Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
J M Freeze Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
L Gabasova University Grenoble Alpes, Centre National de la Recherche Scientifique, Institut de Planétologie et d'Astrophysique de Grenoble, 38000 Grenoble, France
L S Glaze NASA Headquarters, Washington, DC 20546, USA
J L Green NASA Headquarters, Washington, DC 20546, USA
G A Griffith Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
Y Guo Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
M Hahn Rheinisches Institut für Umweltforschung, Universität zu Köln, Cologne 50931, Germany
D W Hals Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
D P Hamilton Department of Astronomy, University of Maryland, College Park, MD 20742, USA
S A Hamilton Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
J J Hanley Southwest Research Institute, San Antonio, TX 78238, USA
A Harch Cornell University, Ithaca, NY 14853, USA
K A Harmon Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
H M Hart Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
J Hayes Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
C B Hersman Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
M E Hill Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
T A Hill Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
J D Hofgartner Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
M E Holdridge Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
M Horányi Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO 80303, USA
A Hosadurga Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
A D Howard Department of Environmental Sciences, University of Virginia, Charlottesville, VA 22904, USA
C J A Howett Southwest Research Institute, Boulder, CO 80302, USA
S E Jaskulek Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
D E Jennings NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
J R Jensen Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
M R Jones Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
H K Kang Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
D J Katz Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
D E Kaufmann Southwest Research Institute, Boulder, CO 80302, USA
J J Kavelaars National Research Council of Canada, Victoria, BC V9E 2E7, Canada
J T Keane Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, USA
G P Keleher Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
M Kinczyk Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695, USA
M C Kochte Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
P Kollmann Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
S M Krimigis Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
G L Kruizinga Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
D Y Kusnierkiewicz Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
M S Lahr Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
T R Lauer National Optical Astronomy Observatory, Tucson, AZ 26732, USA
G B Lawrence Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
J E Lee NASA Marshall Space Flight Center, Huntsville, AL 35812, USA
E J Lessac-Chenen KinetX Aerospace, Tempe, AZ 85284, USA
I R Linscott Independent consultant, Mountain View, CA 94043, USA
C M Lisse Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
A W Lunsford NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
D M Mages Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
V A Mallder Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
N P Martin Independent consultant, Crested Butte, CO 81224, USA
B H May Independent collaborator, Windlesham GU20 6YW, UK
D J McComas Southwest Research Institute, San Antonio, TX 78238, USA.,Department of Astrophysical Sciences, Princeton University, Princeton, NJ 08544, USA
R L McNutt Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
D S Mehoke Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
T S Mehoke Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
D S Nelson KinetX Aerospace, Tempe, AZ 85284, USA
H D Nguyen Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
J I Núñez Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
A C Ocampo NASA Headquarters, Washington, DC 20546, USA
W M Owen Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
G K Oxton Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
A H Parker Southwest Research Institute, Boulder, CO 80302, USA
M Pätzold Rheinisches Institut für Umweltforschung, Universität zu Köln, Cologne 50931, Germany
J Y Pelgrift KinetX Aerospace, Tempe, AZ 85284, USA
F J Pelletier KinetX Aerospace, Tempe, AZ 85284, USA
J P Pineau Stellar Solutions, Palo Alto, CA 94306, USA
M R Piquette Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO 80303, USA
S B Porter Southwest Research Institute, Boulder, CO 80302, USA
S Protopapa Southwest Research Institute, Boulder, CO 80302, USA
E Quirico University Grenoble Alpes, Centre National de la Recherche Scientifique, Institut de Planétologie et d'Astrophysique de Grenoble, 38000 Grenoble, France
J A Redfern Southwest Research Institute, Boulder, CO 80302, USA
A L Regiec Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
H J Reitsema Independent consultant, Holland, MI 49424, USA
D C Reuter NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
D C Richardson Department of Astronomy, University of Maryland, College Park, MD 20742, USA
J E Riedel Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
M A Ritterbush Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
S J Robbins Southwest Research Institute, Boulder, CO 80302, USA
D J Rodgers Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
G D Rogers Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
D M Rose Southwest Research Institute, Boulder, CO 80302, USA
P E Rosendall Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
K D Runyon Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
M G Ryschkewitsch Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
M M Saina Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
M J Salinas KinetX Aerospace, Tempe, AZ 85284, USA
P M Schenk Lunar and Planetary Institute, Houston, TX 77058, USA
J R Scherrer Southwest Research Institute, San Antonio, TX 78238, USA
W R Schlei Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
B Schmitt University Grenoble Alpes, Centre National de la Recherche Scientifique, Institut de Planétologie et d'Astrophysique de Grenoble, 38000 Grenoble, France
D J Schultz Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
D C Schurr NASA Headquarters, Washington, DC 20546, USA
F Scipioni NASA Ames Research Center, Space Science Division, Moffett Field, CA 94035, USA.,SETI Institute, Mountain View, CA 94043, USA
R L Sepan Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
R G Shelton Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
M R Showalter SETI Institute, Mountain View, CA 94043, USA
M Simon Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
K N Singer Southwest Research Institute, Boulder, CO 80302, USA
E W Stahlheber Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
D R Stanbridge KinetX Aerospace, Tempe, AZ 85284, USA
J A Stansberry Space Telescope Science Institute, Baltimore, MD 21218, USA
A J Steffl Southwest Research Institute, Boulder, CO 80302, USA
D F Strobel Johns Hopkins University, Baltimore, MD 21218, USA
M M Stothoff Southwest Research Institute, San Antonio, TX 78238, USA
T Stryk Roane State Community College, Oak Ridge, TN 37830, USA
J R Stuart Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
M E Summers George Mason University, Fairfax, VA 22030, USA
M B Tapley Southwest Research Institute, San Antonio, TX 78238, USA
A Taylor KinetX Aerospace, Tempe, AZ 85284, USA
H W Taylor Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
R M Tedford Southwest Research Institute, Boulder, CO 80302, USA
H B Throop Planetary Science Institute, Tucson, AZ 85719, USA
L S Turner Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
O M Umurhan NASA Ames Research Center, Space Science Division, Moffett Field, CA 94035, USA.,SETI Institute, Mountain View, CA 94043, USA
J Van Eck Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
D Velez Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
M H Versteeg Southwest Research Institute, San Antonio, TX 78238, USA
M A Vincent Southwest Research Institute, Boulder, CO 80302, USA
R W Webbert Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
S E Weidner Department of Astrophysical Sciences, Princeton University, Princeton, NJ 08544, USA
G E Weigle Independent consultant, Burden, KS 67019, USA
J R Wendel NASA Headquarters, Washington, DC 20546, USA
O L White NASA Ames Research Center, Space Science Division, Moffett Field, CA 94035, USA.,SETI Institute, Mountain View, CA 94043, USA
K E Whittenburg Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
B G Williams KinetX Aerospace, Tempe, AZ 85284, USA
K E Williams KinetX Aerospace, Tempe, AZ 85284, USA
S P Williams Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
H L Winters Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
A M Zangari Southwest Research Institute, Boulder, CO 80302, USA
T H Zurbuchen NASA Headquarters, Washington, DC 20546, USA

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Walker R, Pociecha D, Abberley JP, Martinez-Felipe A, Paterson DA, Forsyth E, Lawrence GB, Henderson PA, Storey JMD, Gorecka E, Imrie CT. Spontaneous chirality through mixing achiral components: a twist-bend nematic phase driven by hydrogen-bonding between unlike components. Chem Commun (Camb) 2018;54:3383-3386. [PMID: 29552681 DOI: 10.1039/c8cc00525g] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]

Ross DS, Bailey SW, Briggs RD, Curry J, Fernandez IJ, Fredriksen G, Goodale CL, Hazlett PW, Heine PR, Johnson CE, Larson JT, Lawrence GB, Kolka RK, Ouimet R, Paré D, Richter DD, Schirmer CD, Warby RA. Inter-laboratory variation in the chemical analysis of acidic forest soil reference samples from eastern North America. Ecosphere 2015. [DOI: 10.1890/es14-00209.1] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open

Sullivan TJ, Lawrence GB, Bailey SW, McDonnell TC, Beier CM, Weathers KC, McPherson GT, Bishop DA. Effects of acidic deposition and soil acidification on sugar maple trees in the Adirondack Mountains, New York. Environ Sci Technol 2013;47:12687-94. [PMID: 24102084 DOI: 10.1021/es401864w] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]

Lawrence GB, Simonin HA, Baldigo BP, Roy KM, Capone SB. Changes in the chemistry of acidified Adirondack streams from the early 1980s to 2008. Environ Pollut 2011;159:2750-2758. [PMID: 21741140 DOI: 10.1016/j.envpol.2011.05.016] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2010] [Revised: 05/11/2011] [Accepted: 05/15/2011] [Indexed: 05/27/2023]

Momen B, Lawrence GB, Nierzwicki-Bauer SA, Sutherland JW, Eichler LW, Harrison JP, Boylen CW. Trends in Summer Chemistry Linked to Productivity in Lakes Recovering from Acid Deposition in the Adirondack Region of New York. Ecosystems 2007. [DOI: 10.1007/s10021-006-0012-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]

Lawrence GB, Sutherland JW, Boylen CW, Nierzwicki-Bauer SW, Momen B, Baldigo BP, Simonin HA. Acid rain effects on aluminum mobilization clarified by inclusion of strong organic acids. Environ Sci Technol 2007;41:93-8. [PMID: 17265932 DOI: 10.1021/es061437v] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]

Lawrence GB, Goolsby DA, Battaglin WA, Stensland GJ. Atmospheric nitrogen in the Mississippi River Basin--emissions, deposition and transport. Sci Total Environ 2000;248:87-99. [PMID: 10805230 DOI: 10.1016/s0048-9697(99)00533-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]

Abstract

Atmospheric deposition of nitrogen has been cited as a major factor in the nitrogen saturation of forests in the north-eastern United States and as a contributor to the eutrophication of coastal waters, including the Gulf of Mexico near the mouth of the Mississippi River. Sources of nitrogen emissions and the resulting spatial patterns of nitrogen deposition within the Mississippi River Basin, however, have not been fully documented. An assessment of atmospheric nitrogen in the Mississippi River Basin was therefore conducted in 1998-1999 to: (1) evaluate the forms in which nitrogen is deposited from the atmosphere; (2) quantify the spatial distribution of atmospheric nitrogen deposition throughout the basin; and (3) relate locations of emission sources to spatial deposition patterns to evaluate atmospheric transport. Deposition data collected through the NADP/NTN (National Atmospheric Deposition Program/National Trends Network) and CASTNet (Clean Air Status and Trends Network) were used for this analysis. NOx Tier 1 emission data by county was obtained for 1992 from the US Environmental Protection Agency (Emissions Trends Viewer CD, 1985-1995, version 1.0, September 1996) and NH3 emissions data was derived from the 1992 Census of Agriculture (US Department of Commerce. Census of Agriculture, US Summary and County Level Data, US Department of Commerce, Bureau of the Census. Geographic Area series, 1995:1b) or the National Agricultural Statistics Service (US Department of Agriculture. National Agricultural Statistics Service Historical Data. Accessed 7/98 at URL, 1998. http://www.usda.gov/nass/pubs/hisdata++ +.htm). The highest rates of wet deposition of NO3- were in the north-eastern part of the basin, downwind of electric utility plants and urban areas, whereas the highest rates of wet deposition of NH4+ were in Iowa, near the center of intensive agricultural activities in the Midwest. The lowest rates of atmospheric nitrogen deposition were on the western (windward) side of the basin, which suggests that most of the nitrogen deposited within the basin is derived from internal sources. Atmospheric transport eastward across the basin boundary is greater for NO3- than NH4+, but a significant amount of NH4+ is likely to be transported out of the basin through the formation of (NH4)2SO4 and NH4NO3 particles--a process that greatly increases the atmospheric residence time of NH4+. This process is also a likely factor in the atmospheric transport of nitrogen from the Midwest to upland forest regions in the North-East, such as the western Adirondack region of New York, where NH4+ constitutes 38% of the total wet deposition of N.

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