Publications

CUERE Technical Reports
Bhaskar, A.  2010.  Getting Started with ParFlow: Dead Run, Baltimore, Maryland Example. UMBC/CUERE Technical Report 2010/002. University of Maryland Baltimore County, Center for Urban Environmental Research and Education,  Baltimore, MD. [Report (1.7 MB)]

Lapa-Lilly, P.  2009.  Quantification of Streambed Hydraulic Conductivity in the Gwynns Falls and Surrounding Area.  
UMBC/CUERE Technical Report 2009/002. University of Maryland Baltimore County, Center for Urban Environmental Research and Education,  Baltimore, MD. [Report (3 MB)][Appendix A (10.7 MB)] [Appendix B (20.1 MB)] [Appendix C (33 MB)] [Appendix D (15.7 MB)]

Miller, J., C. Welty, M. McGuire, J. Cole, and R. Sanderson. Rain Gage Installation, Telemetry, Maintenance, and Data QA/QC in the Baltimore Ecosystem Study LTER.
UMBC/CUERE Technical Report 2012/001. University of Maryland Baltimore County, Center for Urban Environmental Research and Education,  Baltimore, MD.[Report Link].

Poole, S.  2009.  Determining Values of Soil Hydraulic Conductivity in and Around the Gwynns Falls Watershed Using an Automated Mini-Disk Tension Infiltrometer. 
UMBC/CUERE Technical Report 2009/001University of Maryland Baltimore County, Center for Urban Environmental Research and Education,  Baltimore, MD. [Report (2 MB)] [Appendices A,B,C]  [Appendix D1 (20.1 MB)] [Appendix D2 (22 MB)][Appendix D3 (23.8 MB)]

Runyan, C. and C. Welty.  2010.  Use of the White Method to Estimate Evapotranspiration along an Urban Riparian Corridor.  
UMBC/CUERE Technical Report 2010/001University of Maryland Baltimore County, Center for Urban Environmental Research and Education,  Baltimore, MD. [Report (15.5 MB)]

VerHoef, J., C. Welty, J. Miller, M. Grese, M. P. McGuire, R. Sanderson, S. Kaushal, and A.J. Miller.  2011. Preliminary Assessment of Real-Time Sensor Deployment in Baltimore Urban Watersheds.  CUERE Technical Report 2011/001. UMBC, Center for Urban Environmental Research and Education, Baltimore, MD. [Report (8.3 MB)]

CUERE Technical Memos
Larson, P. C. and C. Runyan. 2009.  Evaluation of a Capacitance Water Level Recorder and Calibration Methods in an Urban Environment. UMBC/CUERE Technical Memo 2009/003University of Maryland Baltimore County, Center for Urban Environmental Research and Education,  Baltimore, MD. [Memo (1.3 MB)]

Runyan, C. and P. C. Larson.  2009.  Methodology for Installation of Soil Heat Flux Plates, Soil Thermocouples, Water Content Reflectometers, Soil Moisture Probes, and Soil Matric Potential Probes. 
UMBC/CUERE Technical Memo 2009/001University of Maryland Baltimore County, Center for Urban Environmental Research and Education,  Baltimore, MD. [Memo (4.9 MB)]

Runyan, C. 2009.  Methodology for Installation of Eddy Covariance Meteorological Sensors and Data ProcessingUMBC/CUERE Technical Memo 2009/002University of Maryland Baltimore County, Center for Urban Environmental Research and Education,  Baltimore, MD. [Memo (21.4 MB)]

Journal Articles
Bhasker, A. S. and C. Welty. 2012.  Water Balances along an Urban-to-Rural Gradient of Metropolitan Baltimore, 2001-2009.  Environmental and Engineering Geoscience, 18(1), doi:10.2113/gseegeosci.18.1.xx

Lindner, G.A., and A. J. Miller.  2012.  Hydraulic Modeling of Stage-Discharge Relationships in Urban Streams, Submitted to Journal of Hydrologic Engineering, in press.

Ryan, R.J., P.L. Larson, and C. Welty. 2010. The Logistics and Mechanics of Conducting Tracer Injection Experiments in Urban Streams.  Urban Ecosystems, DOI 10.1007/s11252-010-0144-5.

Ryan, R.J.,
C. Welty, and P.L. Larson. 2010. Variation in Surface Water-Groundwater Exchange in an Urban Stream.  Journal of Hydrology, 392 (2010) 1–11. doi 10.1016/j.jhydrol.2010.06.004.

Smith, J.A.,  ML Baeck , G. Villarini , C. Welty , A.J. Miller , W. Krajewski, Analyses of a Long-Term High-Resolution Radar Rainfall Data Set for the Baltimore Metropolitan Region. Submitted to Water Resources Research, March 7, 2011.

Theses
Verhoef, Jason Ryan.  2012. Spectral Analysis of Weekly and High-Frequency Stream Chemistry Data in Urban Watersheds.  M.S. Thesis, Department of Chemical, Biochemical, and Environmental Engineering, UMBC, Baltimore, MD.

Meeting Presentations and Abstracts
Bhaskar, A., C. Welty, and R. Maxwell "Challenges in Urban Hydrologic Modeling: A Baltimore Case Study" Presented at the 2009 AGU Joint Assembly, May 23 -27, Toronto. Eos Trans. AGU, 90(22), Jt. Assem. Suppl., Abstract  H33-B01.

Bhaskar, A., C. Welty, and R. Maxwell "Challenges in Urban Watershed Modeling" Presented at the 2009 Annual Meeting of the Baltimore Ecosystem Study, October 21-22, 2009.

Bhaskar, A., C. Welty, and R. Maxwell
"Urban Watershed Modeling Across Landscape Scales" Presented at the 2009 Fall Meeting of AGU, December 14 - 17, 2009. San Francisco. Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract  H43A-0996.

Bhaskar, A., C. Welty, and R.M. Maxwell. “Urban Hydrologic Modeling in the Baltimore Metropolitan Region”, Chesapeake Modeling Symposium 2010, Annapolis, MD, May 10-11, 2010.


Bhaskar, A., and C. Welty. Water balances in urbanized metropolitan Baltimore. Presented at the Second Biennial Science Meeting of the Consortium of Universities for the Advancement of Hydrologic Science, Inc., Boulder, CO, July 19-21, 2010.

http://www.cuahsi.org/biennial2010/docs/CUAHSI-Biennial2010-MeetingProgram.pdf

Bhaskar, A., C. Welty, and R. M. Maxwell.  Watershed Modeling in Urbanized Metropolitan Baltimore.   Paper 254-4, Presented at the 2010 Annual Meeting of the Geological Society of America, Oct. 31 - Nov. 2, Denver, CO 
http://gsa.confex.com/gsa/2010AM/finalprogram/abstract_178774.htm

Bhaskar, A., C. Welty, and R. M. Maxwell.  Coupled Surface-Groundwater Modeling of Metropolitan Baltimore.  Presented at the 2011 NGWA Groundwater Summit, May 1-5, Baltimore, MD. http://ngwa.confex.com/ngwa/2011gws/webprogram/Paper7851.html

Bhaskar, A. Water Balances along an Urban-to-Rural Gradient of Metropolitan Baltimore, 2001-2009.  Presented at the BES Graduate Student Symposium, June 22, 2011, Baltimore, MD.


Bhaskar, A., C. Welty, A. Seck, R. Maxwell, C. Jantz, S. Drzyzga, R. Sanderson, A. Miller, G. Lindner, and J. Cole. Watershed flow dynamics of the Baltimore Region.  Presented at the Baltimore Ecosystem Study 2011 Annual Meeting, October 19-20, 2011, Baltimore, MD. http://beslter.org/meeting-abstracts/2011/frame7-page_17_29.html

Bhaskar, A.S., C. Welty, and R. M. Maxwell. Spatiotemporal Variability of the Urban Water Budget and Implications for Distributed Modeling.  Abstract H51P-01. Presented at the 2011 Fall Meeting of the American Geophysical Union, December 5-9, 2011, San Francisco, CA (Invited).

Crook, N., C. Welty, R. Knight, M. McGuire. 
"An Assessment of the use of the Temporal Microgravity Technique to Estimate the Change in Aquifer Storage Across the Gwynns Falls Watershed" Presented at the 2008 Fall Meeting of AGU, December 15- 19, 2008, San Francisco. Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract H51G-0944.

Cui, Z., C. Welty, and R. M. Maxwell. Modeling nitrogen transport and transformation in aquifers using a particle tracking approach.  Presented at the 2010 Annual Meeting of the Baltimore Ecosystem Study, October 27-28, 2010.
http://beslter.org/meeting-abstracts/2010/frame7-page_16_40.html

Cui, Z., C. Welty, and R. M. Maxwell. Integrating Particle-Tracking with Multispecies Biogeochemical Reactions for Nitrogen Transport Modeling In Aquifers. Presented at the 2011 NGWA Groundwater Summit, May 1-5, Baltimore, MD.
http://ngwa.confex.com/ngwa/2011gws/webprogram/Paper7828.html


Cui, Z., C. Welty and R. M. Maxwell. Integrating Geochemical Reactions with a Particle-Tracking Approach to Simulate Nitrogen Transport and Transformation in Aquifers. Abstract 
 H41C-1042.  Presented at the 2011 Fall Meeting of the American Geophysical Union, December 5-9, 2011, San Francisco, CA.


Drzyzga, S.A., C. Jantz, C. Welty. Analyzing and Visualizing the Evolution of Journey-to-Work Flows in the Baltimoire Region, AAG Annual Meeting, April 14-18, 2010, Washington, DC
http://communicate.aag.org/eseries/callforpapers/program/AbstractDetail.cfm?AbstractID=31460

Grese, M., S. Kaushal, and C. Welty.  Preliminary Evaluation of SUNA Nitrate Sensors in the Laboratory.   Presented at the 2010 Annual Meeting of the Baltimore Ecosystem Study, October 27-28, 2010.  http://beslter.org/meeting-abstracts/2010/frame7-page_16_42.html

Jantz, C., S. Drzyzga, C. Welty. Urban Growth and Water Supply in the Baltimore, MD Metropolitan Region, Coupling Humans and Complex Ecological Landscapes, 2009 US-IALE Symposium Snowbird, Utah | April 12-16, 2009, http://www.usiale.org/snowbird2009/presentation.php


Lapa-Lilly, P., S. Poole, and C. Welty, Quantification of Hydraulic Conductivity of Streambeds throughout the Gwynns Falls Watershed and Surrounding Area. Presented at the 2008 Annual Meeting of the Baltimore Ecosystem Study, October 15-16, 2008. 



Lindner G. and A.J. Miller.
"Interactions Between Flow Patterns and Infrastructure in an Urban Stream." Presented at the 2010 AGU Joint Assembly, May 23 -27, Toronto. EOS Trans. AGU, 90(22), Jt. Assem. Suppl., Abstract  H33-B02 .

Lindner G. and A.J. Miller. 
"Urban infrastructure and longitudinal stream profiles." Presented at the 2009 Fall Meeting of AGU, December 14 - 17, 2009. San Francisco. Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract H53H-04.

Lindner, G. and A. J. Miller, Hydraulic Modeling of Discharge Rating Curves in Urban Streams, Presented at the Second Biennial Science Meeting of the Consortium of Universities for the Advancement of Hydrologic Science, Inc., Boulder, CO, July 19-21, 2010. http://www.cuahsi.org/biennial2010/docs/CUAHSI-Biennial2010-MeetingProgram.pdf


McGuire, MP,  C. Welty, and M. Sibug. Using the CUAHSI HIS System for Data Management: Examples & Lessons Learned from an Urban Hydrologic Observatory.  Presented at the 14th Annual Meeting of the Maryland Water Monitoring Council, December 4, 2008, Maritime Institute of Technology and Conference Center, Linthicum, Maryland.


Miller, A.J., G. Lindner, P. Larson, and C. Welty, 2009. Model-based rating curves for the expanded Gwynns Falls streamflow monitoring network.
Presented at the 2009 Annual Meeting of the Baltimore Ecosystem Study, October 21-22, 2009.

Miller, A.J., and G. Lindner.  2009. Hysteretic behavior of stage-discharge relationships in urban streams.
Presented at the 2009 Fall Meeting of AGU, December 14 - 17, 2009. San Francisco. Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract H43A-0998.

Miller, A.J., G. A. Lindner; J. A. Smith,  M. L. Baeck,  C. Welty, J. Miller, and K. L. Meierdiercks.  2011. Characterization of nested watershed hydrologic response from high-resolution rainfall and runoff data in the Baltimore Ecosystem Study LTER. Abstract H53J-1549. Presented at the 2011 Fall Meeting of the American Geophysical Union, December 5-9, 2011, San Francisco, CA.

Miller, Julia, M. McGuire, R. Sanderson and C. Welty.  And end-to-end system for precipitation data collection in the Baltimore Ecosystem Study LTER.  Presented at the 2010 Annual Meeting of the Baltimore Ecosystem Study, October 27-28, 2010.
http://beslter.org/meeting-abstracts/2010/frame7-page_16_33.html

Miller, J., J. VerHoef, C. Welty, M. McGuire, R. Sanderson, A.J. Miller, S. Kaushal, J. Duncan, P. Groffman, L. Band, K. Belt, and R.M. Maxwell. 2011. Reflections on a year of deployment of high-frequency sensors in BES streams. Presented at the Baltimore Ecosystem Study 2011 Annual Meeting, October 19-20, 2011, Baltimore, MD.
http://beslter.org/meeting-abstracts/2011/frame7-page_17_39.html

Myers, T. and B. Hanlon.  2011. Single-Family Residential Water Consumption in Baltimore City: A Case for More Trees. Presented at the Baltimore Ecosystem Study 2011 Annual Meeting, October 19-20, 2011, Baltimore, MD. 
http://beslter.org/meeting-abstracts/2011/frame7-page_17_40.html

Poole, S., P. Lapa-Lilly, C. Welty, Determining values of soil hydraulic conductivity in and around the Gwynns Falls watershed using automated mini-disk tension infiltrometers. Presented at the 2008 Annual Meeting of the Baltimore Ecosystem Study, October 15-16, 2008.


Runyan, C., P. Larson, C. Welty, J. Dillow, E. Doheny, J. Kvech, A. Miller, Lessons Learned from the Baltimore WATERS Test Bed. Presented at the 2008 Annual Meeting of the Baltimore Ecosystem Study, October 15-16, 2008.

Runyan, C., C Welty, P Larson, 2009. Characterization of Vegetation-Shallow Groundwater Interactions Along an Urban Riparian Corridor. Presented at the 2009 Annual Meeting of the Baltimore Ecosystem Study, October 21-22, 2009.

Ryan, R.J., C. Welty, P. Larson, C. Runyan. S. Poole, P. Lapa-Lilly, A. Miller. "Surface-Subsurface Exchange and Transient Storage in Relation to Riparian Corridor Land Cover in an Urban Watershed" Presented at the 2008 Fall Meeting of AGU, December 15- 19, 2008, San Francisco. Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract H11B-0735.

Ryan, R.J., C. Welty, and P. Larson.  Inflow and Transient Storage in Urban Streams: One More Reason to Protect Riparian Forests.
Presented at the 2009 Annual Meeting of the Baltimore Ecosystem Study, October 21-22, 2009.

Sanderson, R. and M. McGuire.  Using open source tools for access and publication of precipitation data.   Presented at the 2010 Annual Meeting of the Baltimore Ecosystem Study, October 27-28, 2010. http://beslter.org/meeting-abstracts/2010/frame7-page_16_47.html


Seck, A., C. Welty, and R. M. Maxwell.  
Implementation of a Fully Coupled Distributed Model of the Chesapeake Bay Watershed using PARFLOW.
Presented at the Second Biennial Science Meeting of the Consortium of Universities for the Advancement of Hydrologic Science, Inc., Boulder, CO, July 19-21, 2010. http://www.cuahsi.org/biennial2010/docs/CUAHSI-Biennial2010-MeetingProgram.pdf

Seck, A., C. Welty, and R. M. Maxwell. A parallel integrated hydrologic model of the Chesapeake Bay watershed: Model run times and sensitivity to grid resolution.  Presented at the 2010 Annual Meeting of the Baltimore Ecosystem Study, October 27-28, 2010.  http://beslter.org/meeting-abstracts/2010/frame7-page_16_32.html

Seck, A., C. Welty, and R. M. Maxwell.
Considerations in Regional Integrated Hydrologic Modeling: Grid Resolution, Topography, and Overland Flow Processes. Presented at the Fall 2010 Meeting of AGU, December 13-17, 2010, San Francisco, CA. Abstract H41F-1138.

Seck, A., C. Welty, J. Cole, and T, Myers.  2011.  Hydrogeological data assimilation for a 3D integrated surface-subsurface model of the Chesapeake Bay Watershed.  Paper No. 262-34, Presented at the 2011 Annual Meeting of the Geological Society of America, October, 9-12, 2011, Minneapolis, MN.

Seck, A., C. Welty, J. Cole, and R. Maxwell.  2011. Integrated hydrologic modeling: discretization, initialization and hydrogeologic data input. Presented at the Baltimore Ecosystem Study 2011 Annual Meeting, October 19-20, 2011, Baltimore, MD. http://beslter.org/meeting-abstracts/2011/frame7-page_17_14.html

Seck, A., C. Welty; R. M. Maxwell. 2011.  Integrated hydrologic modeling: Effects of spatial scale, discretization and initialization. Abstract H31I-02. 
 Presented at the 2011 Fall Meeting of the American Geophysical Union, December 5-9, 2011, San Francisco, CA.

VerHoef, J., C. Welty, M. Grese, W. Davies, J. Miller, P. Larson, S. Kaushal, L. Band, J. Duncan, P. Groffman, AJ Miller.  Deployment of Real-Time Nitrate and Conductivity Sensors in Dead Run: Logistical Challenges and Practical Solutions.   Presented at the 2010 Annual Meeting of the Baltimore Ecosystem Study, October 27-28, 2010.
http://beslter.org/meeting-abstracts/2010/frame7-page_16_37.html

VerHoef, J., C. Welty, J. Miller, M. Grese, S. Kaushal, A.J. Miller, M. McGuire, J. M. Duncan, L. E. Band, P. M. Groffman, K. Belt, and R.M. Maxwell. Deployment of Real-Time Nitrate and Conductivity Sensors for Evaluation of Groundwater Contributions to Surface Water In Urban Watersheds.  Presented at the 2011 NGWA Groundwater Summit, May 1-5, Baltimore, MD. http://ngwa.confex.com/ngwa/2011gws/webprogram/Paper7823.html

VerHoef, J., C. Welty, J. Miller, M. McGuire, M. Grese, S. Kaushal, A.J. Miller.  Deployment of Nitrate Optical Sensors in a Nested Watershed Design in the Baltimore Ecosystem Study LTER. Presented at the Joint USGS-CUAHSI Workshop on In-Situ Optical Water Quality Sensor Networks, June 8-10, 2011, Shepherdstown, WV.

VerHoef, J., C. Welty, J. Miller, M. McGuire, R. Sanderson, S. Kaushal, M. Grese, and A.J.  Miller.  2011. Pilot Testing of Real-Time Nitrate and Conductivity Sensors in an Urban Watershed.  Presented at the Third Maryland Streams Symposium, August 10-13, 2011, Westminster, MD (Invited).

VerHoef, J., C. Welty, S. Kaushal, and A.J. Miller. 2011. Spectral analysis of long-term and high frequency chloride and nitrate stream chemistry data in the Baltimore Ecosystem Study LTER watersheds. Presented at the Baltimore Ecosystem Study 2011 Annual Meeting, October 19-20, 2011, Baltimore, MD. http://beslter.org/meeting-abstracts/2011/frame7-page_17_23.html


VerHoef, J.R., C. Welty; J. Miller; M. McGuire; M. Grese; S. Kaushal; A. J. Miller; J. M. Duncan; P. M. Groffman; L. E. Band; and R. M. Maxwell, 2011.  Analysis of High Frequency Water Quality Data in the Baltimore Ecosystem Study LTER. Abstract H53J-1546.  Presented at the 2011 Fall Meeting of the American Geophysical Union, December 5-9, 2011, San Francisco, CA.

Welty, C., P. Larson, C. Runyan, M. McGuire, R. Ryan, N. Crook, A. Bhaskar, A. Miller, J. Dillow, E. Doheny, D. Soeder, K. Belt. 
"Subsurface Characterization of an Urban Watershed at Multiple Spatial Scales", Presented at the 14th Annual Meeting of the Maryland Water Monitoring Council, December 4, 2008, Maritime Institute of Technology and Conference Center, Linthicum, Maryland.


Welty, C., A J. Miller, K. Belt, L. Band, J. Smith, T. Scanlon, D. Yeskis, R. Ryan, J. Warner, P. Groffman. “Design of an Environmental Observatory for Quantifying Urban Groundwater in Baltimore”, AGU Fall Meeting, December 11-15, 2006 Abstract in Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract H21F-1433.


Welty, C., A. J.Miller,  M. McGuire, J. Smith,  R.M. Maxwell, R. Shedlock,  E. Doheny,  K. Belt, T. Kerchkof, and P. C. Larson. “A Baltimore Pilot Study to Quantify the Urban Water Budget”, Presented at the Maryland Water Monitoring Council 13th Annual Conference, December 6, 2007, Linthicum, MD.

Welty, C. ,  Miller, A J,  Ryan, R J,   Crook, N,   Kerchkof, T,   Larson, P, Smith, J, Baeck, M L,   Kaushal, S,   Belt, K,   McGuire, M,  Scanlon, T,   Warner, J,   Shedlock, R, Band, L, Groffman, P, “Baltimore WATERS Test Bed -- Quantifying Groundwater in Urban Areas”, AGU Fall Meeting, December 10-14, 2007 Abstract in Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract H13A-0966.

Welty, C. , A J  Miller, J Smith, L Band, K Belt, R Ryan, R Maxwell, R Shedlock, T Scanlon, P Groffman,  M McGuire, N Crook, P Larson, and C Runyan “ Lessons learned in establishing an environmental observatory - the Baltimore experience”, presented at the Biennial Science Meeting of CUAHSI, July 14-16, 2008, Boulder, CO. 

Welty,  C., AJ Miller, J Smith, R Maxwell, R Shedlock, Ed Doheny, T. Kerchkof, Christiane Runyan, Kenneth Belt,  Michael McGuire,  Philip Larson, Robert Ryan, Nigel Crook,  Mary Lynn Baeck, Sujay Kaushal, Todd Scanlon, Larry Band, and Peter Groffman“ The Baltimore WATERS Testbed”, presented at the 1st International Conference on Hydropedology, July 28-31, 2008, Penn State, PA.

Welty, C., AJ Miller, M McGuire, P. Larson, C Runyan, E Doheny, J Dillow, J Campbell, A Bhaskar, G Lindner, A Seck. 2009. Integrating Real-Time Sensor Networks, Data Assimilation, and Predictive Modeling to Quantify the Urban Water Cycle. Presented at the 2009 Annual Meeting of the Baltimore Ecosystem Study, October 21-22, 2009.


Welty, C., M.L. Baeck, A. Bhaskar, E. Doheny, S. Drzyzga, B. Hanlon, C. Jantz, P. Larson, G. Lindner, R. Maxwell, M. McGuire, A. Miller, J. Smith. “Modeling Coupled Feedbacks Between the Hydrologic Cycle and Patterns of Urban Growth”, Chesapeake Modeling Symposium 2010,  Annapolis, MD, 10-11, 2010.

Welty, C. An End-to-end Vision for Environmental Data Collection and Analysis in an Urban Ecosystem.  Presented at the Joint USGS-CUAHSI Workshop on In-Situ Optical Water Quality Sensor Networks, June 8-10, 2011, Shepherdstown, WV.

Welty, C., J. Miller, and J. Duncan.  2011. Pilot testing of distributed temperature sensing in Dead Run. Presented at the Baltimore Ecosystem Study 2011 Annual Meeting, October 19-20, 2011, Baltimore, MD. http://beslter.org/meeting-abstracts/2011/frame7-page_17_18.html