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United States Department of Agriculture

Agricultural Research Service

Related Topics

Megan Weiner Lang
Hydrology and Remote Sensing Laboratory
Visiting Scientist

Phone: (301) 504-5138
Fax: (301) 504-8931
Room 125D

BLDG 007 BARC-WEST
BELTSVILLE , MD 207052350


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Prediction of climate change impacts on agricultural watersheds and the performance of winter cover crops: Case study of the upper region of the Choptank River Watershed -
Lee, S., Yeo, I., Sadeghi, A.M., Mccarty, G.W., Hively, W.D., Lang, M.W. 2015. Prediction of climate change impacts on agricultural watersheds and the performance of winter cover crops: Case study of the upper region of the Choptank River Watershed. Proceedings of Society of Agricultural and Biological Engineers Climate Change Symposium, May 3-5, 2015, Chicago, Illinois.
Mid-Atlantic CEAP wetland restoration – lessons learned -
Denitrification in soils of hydrologically restored wetlands relative to natural and converted wetlands in the Mid-Atlantic coastal plain of the USA Reprint Icon -
Hunt, P.G., Miller, J.O., Ducey, T.F., Lang, M.W., Szogi, A.A., Mccarty, G.W. 2014. Denitrification in soils of hydrologically restored wetlands relative to natural and converted wetlands in the Mid-Atlantic coastal plain of the USA. Ecological Engineering. 71:438-447.
Monitoring and modeling nitrate fate in subbasins within the Choptank River Watershed, Maryland, USA -
Mccarty, G.W., Sadeghi, A.M., Lee, S., Yeo, I., Hively, D., Lang, M.W. 2014. Monitoring and modeling nitrate fate in subbasins within the Choptank River Watershed, Maryland, USA [abstract]. 2014 Soil and Water Conservation Society Annual Meeting, July 27-30, Lombard, IL.
Modeling the impacts of winter cover crops on water quality in two adjacent sub-watersheds within the Chesapeake Bay Watershed, Maryland, USA -
Use of a metolachlor metabolite (MESA) to assess agricultural nitrate-n fate and transport in choptank river watershed, Maryland USA -
Mccarty, G.W., Hapeman, C., Rice, C., Hively, D., Sadeghi, A.M., Lang, M.W., Whitall, D., Bialek, K., Downey, P. 2014. Use of a metolachlor metabolite (MESA) to assess agricultural nitrate-n fate and transport in choptank river watershed, Maryland USA [abstract]. 2014 Annual European Geological Union Meeting, April 27 - May 2, 2014, Vienna, Austria.
Multistate assessment of wetland restoration on CO2 and N2O emissions and soil bacterial communities -
Kluber, L.A., Miller, J.O., Ducey, T.F., Hunt, P.G., Lang, M.W., Ro, K.S. 2014. Multistate assessment of wetland restoration on CO2 and N2O emissions and soil bacterial communities. Applied Soil Ecology. 87-94.
Relating nutrient and herbicide fate with landscape features and characteristics of 15 subwatersheds in the Choptank River Watershed Reprint Icon -
Hively, W.D., Hapeman, C.J., Fisher, T.R., Rice, C., Mccarty, G.W., Mcconnell, L.L., Downey, P.M., Nino De Guzman, G., Bialek Kalinski, K.M., Lang, M.W. 2011. Relating nutrient and herbicide fate with landscape features and characteristics of 15 subwatersheds in the Choptank River Watershed. Journal of Agriculture and Food Chemistry. 409:3866-3878.
The Choptank Basin in transition: intensifying agriculture, slow urbanization, and estuarine eutrophication -
Fisher, T.R., Jordan, T.E., Staver, K.W., Gustafson, A.B., Koskelo, A.I., Fox, R.J., Sutton, A.J., Kana, T., Beckert, K.A., Stone, J.P., McCarty, G.W., Lang, M.W. 2010. The Choptank Basin in transition: Intensifying agriculture, slow urbanization, and estuarine eutrophication. In: Kennish, M.J. and Paerl, H.W., editors. Coastal Lagoons: Critical Habitats of Environmental Change. New York, NY: Taylor and Francis Group. p. 135-165.
Improved Wetland Mapping Through the use of Advanced Geospatial Technologies -
Lang, M.W., Awl, J., Wilen, B., McCarty, G.W., Galbraith, J. 2009. Improved wetland mapping through the use of advanced geospatial technologies. 31(5):6-93-30-31.
Estimating winter cover crop nitrogen uptake with satellite imagery:four years of results from the Choptank River -
Deriving satellite crop rotation maps for distributed modeling of water quality in the Choptank River watershed -
Hively, W.D., Sadeghi, A.M., Lang, M.W., Bandaru, V., Kim, A., Mccarty, G.W. 2009. Deriving satellite crop rotation maps for distributed modeling of water quality in the Choptank River watershed [abstract]. Soil Science Society of America Annual Meeting. 2009 CDROM.
LiDar Intensity for Improved Dection of inundation below the Forest Canopy Reprint Icon -
Lang, M.W., McCarty, G.W. 2009. LiDar intensity for improved detection of inundation below the forest canopy. Wetlands. 29:1166-1178.
Monitoring the Effect of Wetland Conservation Practices in an Agricultural Watershed -
Lang, M.W., McCarty, G.W., Ator, S., Denver, J., Eckles, D., Fisher, T., Fox, R., Gustafson, A., McDonough, O., Palmer, M., Ritchie, J.C., Walbridge, M.R. 2009. Monitoring the effect of wetland conservation practices in an agricultural watershed [abstract]. Society of Wetland Scientists. p. 121.
Sensitivity, Calibration, and Validation of SWAT in the Choptank River Basin -
Sexton, A.M., Sadeghi, A.M., Shirmohammadi, A., McCarty, G.W., Hively, W.D., Lang, M.W. 2009. Sensitivity, calibration, and validation of SWAT in the Choptank River basin [abstract]. American Society of Agronomy. 2009 CDROM.
Use of Hyperspectral Images to Map Soil Carbon -
McCarty, G., Reeves, J., Hively, D., Lang, M., Lund, E., Weatherbee, O., Serbin, G. 2009. Use of hyperspectral images to map soil carbon [abstract]. European Geosciences Union General Assembly. Volume(11):11686.
Comparison of SWAT Model Water Balance Calibration Using NEXRAD and Surface Rain Gauge Data -
Sexton, A.M., Sadeghi, A.M., McCarty, G.W., Hively, W.D., Lang, M.W., Shirmohammadi, A. 2009. Comparison of SWAT Model water balance calibration using NEXRAD and surface rain gauge data [abstract]. Abs. 31, BARC Poster Day.
The Synergistic Contributions of RADAR and LiDAR to the Mapping and Monitoring of Forested Wetlands -
Lang, M.W., McCarty, G.W. 2008. The synergistic contributions of RADAR and LiDAR to the mapping and monitoring of forested wetlands [abstract]. Society of Wetland Scientists. 2009 CDROM.
Denitrification in restored and constructed wetlands adjacent to crop fields on the Mid-Atlantic coastal plain -
Fox, R.J., Gustafson, A.B., Fisher, T.R., Kana, T., Ator, S., Denver, J., Jordan, T., Lang, M.W., McCarty, G.W. 2009. Denitrification in restored and constructed wetlands adjacent to crop fields on the Mid-Atlantic coastal plain [abstract]. Society of Wetland Scientists. 2009 CDROM.
DESDynI Applications Report: Wetlands Section -
Using satellite remote sensing to estimate winter cover crop nutrient uptake efficiency Reprint Icon -
Hively, W.D., Lang, M.W., McCarty, G.W., Keppler, J., Sadeghi, A.M., McConnell, L.L. 2009. Using satellite remote sensing to estimate winter cover crop nutrient uptake efficiency. Journal of Soil and Water Conservation. 64:303-313.
The Mid-Atlantic Wetland Conservation Effects Assessment Project: Monitoring Ecosystem Services Associated with Wetland Restoration -
Lang, M.W., McCarty, G.W., Weller, D., Walbridge, M.R., Ritchie, J.C., Palmer, M., Hunt, P.G., Fisher, T., Eckles, D., Denver, J., Church, C. 2009. The Mid-Atlantic Wetland Conservation Effects Assessment Project: Monitoring ecosystem services associated with wetland restoration [abstract]. 64th Annual Soil and Water Conservation Society Conference. p. 89.
Adaptive cover crop implementation and evaluation in the Chesapeake Bay watersheds -
Hively, W.D., McCarty, G.W., Lang, M.W. 2009. Adaptive cover crop implementation and evaluation in the Chesapeake Bay watersheds [abstract]. 64th Annual Soil and Water Conservation Society Conference. p. 90.
Infrared sensors to map soil carbon in agricultural ecosystems -
McCarty, G.W., Hively, W.D., Reeves, J.B., Lang, M.W., Lund, E., Weatherbee, O. 2010. Infrared sensors to map soil carbon in agricultural ecosystems. In: Viscarra-Rossel, R., McBratney, A., Minasny, B., editors. Proximal Soil Sensing, Progress in Soil Science Volume 1. New York, NY: Springer Science. 14:165-176.
Hyperspectral Mapping of Soil Carbon -
McCarty, G.W., Hively, W.D., Reeves, J.B., Lang, M.W., Lund, E., Weatherbee, O., Serbin, G. 2009. Hyperspectral mapping of soil carbon [abstract]. 64th Annual Soil and Water Conservation Society Conference. p. 89.
ASF Data Used to Monitor Wetland Ecosystem Services -
Lang, M.W., McCarty, G.W. 2008. ASF data used to monitor wetland ecosystem services [abstract]. Alaska Satellite Facility News and Notes, Alaska Satellite Facility. 5(3):1-2.
Innovative methods for measuring cover crop nutrient uptake on a landscape scale -
Hively, W.D., Lang, M.W., Sadeghi, A.M., McCarty, G.W., McConnell, L.L. 2008. Innovative methods for measuring cover crop nutrient uptake on a landscape scale [abstract]. American Chemical Society National Meeting & Exposition. 2008 CDROM.
Wetland Mapping: History and Trends -
Lang, M.W., McCarty, G.W. 2008. Wetland Mapping: History and Trends. In: Russo, R.E., editor. Wetlands: Ecology, Conservation and Restoration. Hauppauge, NY: Nova Science Publishers. p. 74-112.
Radar Monitoring of Wetland Hydrology: Dynamic information for the Assessment of Ecosystem Services -
Lang, M.W., McCarty, G.W., Sadeghi, A.M., Hively, W.D., Eckles, D.S. 2008. Radar monitoring of wetland hydrology: Dynamic information for the assessment of ecosystem services. In: Proceedings of the International Geoscience and Remote Sensing Symposium, July 7-11, 2009, Boston, Massachusetts. p. I261-I264.
INFLUENCE OF INCIDENCE ANGLE ON DETECTING FLOODED FORESTS USING C-BAND SAR -
Lang, M.W., Townsend, P.A., Kasischke, E.S. 2008. Influence of incidence angle on detecting flooded forests using C-band SAR. Remote Sensing of Environment. 112:3898-3907.
Overview of the Choptank River watershed conservation effectiveness assessment project. Reprint Icon -
McCarty, G.W., McConnell, L.L., Sadeghi, A.M., Hapeman, C.J., Graff, C., Hively, W.D., Lang, M.W., Fisher, T.R., Jordan, T., Rice, C., Whitall, D., Lynn, A., Keppler, J., Fogel, M.L. 2008. Overview of the Choptank River watershed conservation effectiveness assessment project. Journal of Soil and Water Conservation. 63:461-474.
Using satellite remote sensing to estimate winter cover crop nutrient uptake efficiency -
Hively, W.D., Lang, M.W., McCarty, G.W., Keppler, J., Sadeghi, A.M., McConnell, L.L. 2008. Using satellite remote sensing to estimate winter cover crop nutrient uptake efficiency [abstract]. American Water Resources Association Annual Meeting. 2008 CDROM.
Innovative methods for measuring cover crop nutrient uptake on a landscape scale -
Hively, W.D., Lang, M., Sadeghi, A., McCarty, G., McConnell, L. 2008. Innovative methods for measuring cover crop nutrient uptake on a landscape scale [abstract]. 236th American Chemical Society National Meeting & Exposition. 2008 CDROM.
The Choptank Watershed Wetland Conservation Effects Assessment Project: Monitoring the Delivery of Wetland Services across the Landscape -
Lang, M.W., McCarty, G.W., Walbridge, M.R., Ritchie, J.C., Palmer, M., McDonough, O., Gustafson, A., Fox, R., Fisher, T., Eckles, D., Denver, J., Ator, S. 2008. The Choptank Watershed Wetland Conservation Effects Assessment Project: Monitoring the delivery of Wetland Services across the landscape [abstract]. The Society of Wetland Scientists. p. 204.
Remote Sensing of Wetland Hydrology: Implications for Water Quality Management in Agricultural Landscapes -
Lang, M.W., McCarty, G.W., Ritchie, J.C. 2008. Remote sensing of wetland hydrology: Implications for water quality management in agricultural landscapes [abstract]. Society of Wetland Scientists. p. 203.
Use of remote sensing to monitor nutrient uptake by winter cover crops in the Choptank River Watershed -
Hively, W.D., Lang, M., McCarty, G., Sadeghi, A. 2008. Use of remote sensing to monitor nutrient uptake by winter cover crops in the Choptank River Watershed [abstract]. National Sedimentation Laboratory - 50 years of Soil and Water Research in a Changing Agricultural Environment. 2008 CDROM.
Developing crop rotation maps from satellite imagery for use in modeling water quality in the Choptank River watershed -
Hively, W.D., McCarty, G.W., Lang, M.W., Bandaru, V., Kim, A., Sadeghi, A.M. 2008. Developing crop rotation maps from satellite imagery for use in modeling water quality in the Choptank River Watershed. In: Proceedings of the National Sedimentation Laboratory - 50 Years of Soil and Water Research in a Changing Agricultural Environment, September 3-5, 2008, Oxford, Mississippi. 2008 CDROM.
Radar Monitoring of Wetland Hydrology:Dynamic Information for the Assessment of Ecosystem Services -
Lang, M.W., McCarty, G.W., Ritchie, J.C., Hively, W.D. 2008. Radar monitoring of wetland hydrology: Dynamic information for the assessment of ecosystem wervices [abstract]. Abstracts of the 2008 IEEE International Geoscience and Remote Sensing Symposium. Available: http://www.igarss08.org/Abstracts/pdfs/3860.pdf.
The Choptank Watershed Wetland Conservation Effects Assessment Project: Monitoring the Effect of Wetland Conservation Practices on Water Quality -
Lang, M.W., McCarty, G.W., Walbridge, M.R., Ritchie, J.C., Palmer, M., McDonough, O., Gustafson, A., Fisher, T., Eckles, D., Denver, J., Ator, S. 2008. The Choptank Watershed Wetland Conservation Effects Assessment Project: Monitoring the effect of wetland conservation practices on water quality [abstract]. Abstracts of the 50 years of Soil and Water Research in a Changing Agricultural Environment Conference. 2008 CDROM.
Documenting the Effects of Conservation Practices and Programs on Wetland Ecosystem Services in the Mid-Atlantic Region -
Walbridge, M.R., Lang, M.W., Eckles, D. 2008. Documenting the effects of conservation practices and programs on Wetland Ecosystem Services in the Mid-Atlantic Region [abstract]. Society of Wetland Scientists. p. 378.
Innovative Tools for Mapping Forested Wetlands in the Choptank River Watershed -
Lang, M.W., McCarty, G.W. 2008. Innovative tools for mapping forested wetlands in the Choptank River Watershed. Maryland Natural Resources Conservation Service. Available: http://www.md.nrcs.usda.gov/technical/ceap.html.
Monitoring Wetland Hydrology at a Watershed Scale: Dynamic Information for Adaptive Management -
Lang, M.W., Anderson, M.C., McCarty, G.W. 2008. Monitoring wetland hydrology at a watershed scale: Dynamic information for adaptive management. Journal of Soil and Water Conservation. 63:49A.
The Choptank Watershed Wetland Conservation Effects Assessment Project: Monitoring the Delivery of Wetland Ecosystem Services across the Landscape -
Lang, M.W., Eckles, D., McCarty, G.W. 2007. Monitoring wetland conservation benefits across the Choptank landscape [abstract]. Conservation Effects Assessment Project Highlights. 2008 CDROM.
ASSESSMENT OF C-BAND SYNTHETIC APERTURE RADAR DATA FOR MAPPING COASTAL PLAIN FORESTED WETLANDS IN THE MID-ATLANTIC REGION, USA -
Lang, M.W., Pittman, K.W., Kasischke, E.S., Prince, S.D. 2008. Assessment of C-band synthetic aperture radar data for mapping Coastal Plain Forested Wetlands in the Mid-Atlantic Region. Remote Sensing of Environment. 112:4120-4135.
USING C-BAND SYNTHETIC APERTURE RADAR DATA TO MONITOR FORESTED WETLAND HYDROLOGY IN MARYLAND'S COASTAL PLAIN. -
Lang, M.W., Kasischke, E.S. 2008. Using C-band synthetic aperture radar data to monitor forested Wetland Hydrology in Maryland's Coastal Plain. IEEE Transactions on Geoscience and Remote Sensing. 46(2):535-546.
The Mid-Atlantic Wetland Conservation Effects Assessment Project: Ecosystem Services, Conservation Practices, and Synergistic Monitoring -
Eckles, D., Walbridge, M.R., Lang, M.W. 2007. The Mid-Atlantic Wetland Conservation Effects Assessment Project: Ecosystem services, conservation practices, and synergistic monitoring [abstract]. Soil and Water Conservation Society. p. 18.
Monitoring Wetland Hydrology at a Watershed Scale: Dynamic Information for Adaptive Managment -
Lang, M.W., Anderson, M.C., McCarty, G.W. 2007. Monitoring wetland hydrology at a watershed scale: Dynamic information for adaptive management [abstract]. Journal of Soil and Water Conservation. p. 94.
Radar monitoring of forested wetland hydroperiod to improve water quality management -
Lang, M.W., Ritchie, J.C., McCarty, G.W., Eckles, S.D., Hively, W.D. 2007. Radar monitoring of forested wetland hydroperiod to improve water quality management [abstract]. Wetlands. p. 2.
Radar monitoring of wetland hydrology: Water quality implications for the Chesapeake Bay -
Lang, M.W., Ritchie, J.C., Hively, W.D. 2007. Radar monitoring of wetland hydrology: Water quality implications for the Chesapeake Bay [abstract]. Abs. 21, BARC Poster Day.
Remote Sensing of Cover Crop Production on Maryland's Eastern Shore -
Hively, W.D., Lang, M.W., McCarty, G.W., Sadeghi, A.M., Keppler, J. 2007. Remote sensing of cover crop nutrient uptake on Maryland's Eastern Shore [abstract]. 2007 Soil and Water Conservation Society Annual Conference. p. 36.
Monitoring forested wetland hydrology in the Choptank watershed using radar images -
Lang, M.W., McCarty, G.W., Anderson, M.C., Hively, W.D. 2007. Monitoring forested wetland hydrology in the Choptank Watershed using radar images [abstract]. 4th Annual Science Meeting of the Chesapeake Marshlands National Wildlife Refuge Complex. 2007 CDROM.
Spatial and Temporal Variability of Nutrient, Metal, and Pesticide Concentrations in the Choptank River Watershed -
Hapeman, C.J., Rice, C., McConnell, L.L., Codling, E.E., Fisher, T., Hively, W.D., Lang, M.W., Whitall, D., McCarty, G.W., Sadeghi, A.M. 2007. Spatial and Temporal Variability of Nutrient, Metal, and Pesticide Concentrations in the Choptank River Watershed [abstract]. 2007 Annual Soil and Water Conservation Conference, July 21-25, 2007, Tampa, Florida. 2007 CDROM.
Monitoring Wetland Hydrology at a Watershed Scale: Dynamic Information for Adaptive Management -
Lang, M.W., Anderson, M.C., McCarty, G.W. 2007. Monitoring wetland hydrology at a watershed scale: Dynamic information for adaptive management [abstract]. Soil and Water Conservation Society. p. 38.
Influence of incidence angle on the use of C-Band SAR data for the detection flooded forests -
Lang, M.W., Townsend, P., Kasischke, E. 2008. Influence of incidence angle on the use of C-band SAR data for the detection flooded forests [abstract]. American Geophysical Union. 87(52).
RADAR MONITORING OF WETLAND HYDROLOGY IN AN AGRICULTURAL WATERSHED: NEW INFORMATION FOR IMPROVED WATER QUALITY MANGEMENT IN THE CHOPTANK RIVER WATERSHED, MARYLAND -
Lang, M.W., Walthall, C.L., Hively W.D. 2006. Radar monitoring of wetland hydrology in an agricultural watershed: New information for improved water quality management in the Choptank River Watershed, Maryland [abstract]. Soil and Water Conservation Society. p. 86.
REMOTE SENSING OF COVER CROP PERFORMANCE ON MARYLAND'S EASTERN SHORE -
Hively, W.D., Lang, M.W., McCarty, G.W., Keppler, J., McConnell, L.L. 2006. Remote sensing of cover crop performance on Maryland's Eastern Shore [abstract]. Soil and Water Conservation Society Meeting. 2006 CD-ROM.
C-BAND RADAR MONITORING OF HYDROLOGY IN MID-ATLANTIC COASTAL PLAIN FORESTS: IMPLICATION FOR IMPROVED WATER QUALITY MANAGEMENT IN THE CHESAPEAKE BAY WATERSHED -
Lang, M.W., Walthall, C.L. 2006. C-Band radar monitoring of hydrology in Mid-Atlantic Coastal Plain Forests: Implication for improved water quality management in the Chesapeake Bay Watershed [abstract]. Abs. 19, BARC Poster Day.
LANDSCAPE EVALUATION OF COVER CROP PERFORMANCE ON MARYLANDS EASTERN SHORE -
Hively, W.D., Lang, M.W., McCarty, G.W., Keppler, J., McConnell, L.L. 2006. Landscape evaluation of cover crop performance on Maryland's Eastern Shore [abstract]. Abs 14, BARC Poster Day.
USING RADAR TO MAP HYDROLOGY IN MID-ATLANTIC COASTAL PLAIN FORESTS: IMPLICATIONS FOR IMPROVED WATER QUALITY MANAGEMENT -
Lang, M.W., Walthall, C.L. 2006. Using radar to map hydrology in Mid-Atlantic Coastal Plain Forests: Implications for improved water qualtiy management [abstract]. Conservation Effects Assessment Project (CEAP) Annual Meeting. Available: http://www.nrcs.usda.gov/technical/nri/ceap/watersheds/2006meeting.html.
EVALUATING COVER CROP NUTRIENTS UPTAKE EFFICIENCY ON THE LANDSCAPE SCALE -
Hively, W.D., Lang, M.W., McCarty, G.W., Keppler, J., McConnell, L.L. 2006. Evaluating cover crop nutrients uptake efficiency on the landscape scale [abstract]. ARS Conservation Effects Assessment Project Annual Meeting. 2006 CD ROM.
RADAR MONITORING OF HYDROLOGY IN MARYLAND'S FORESTED COASTAL PLAIN WETLANDS IMPLICATION FOR PREDICTED CLIMATE CHANGE AND IMPROVED MAPPING -
Lang, M.W., Kasischke, E.S. 2006. Radar monitoring of hydrology in Maryland's forested coastal plain wetlands implication for predicted climate change and improved mapping [abstract]. American Geophysical Union. Abstract No. NS24A-05.
Remote Sensing of Cover Crop Nutrient Uptake on Maryland's Eastern Shore -
Hively, W.D., Lang, M.W., McCarty, G.W., Sadeghi, A.M., Keppler, J., McConnell, L.L. 2008. Remote sensing of cover crop nutrient uptake on Maryland's Eastern Shore [abstract]. Soil and Water Conservation Society. 2008 CDROM.
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Last Modified: 5/2/2016
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