PUBLICATIONS
under construction
Featured Publications
FEATURED
Dynamic process connectivity explains ecohydrologic responses to rainfall pulses and drought. Goodwell, A.E., Kumar, P., Fellows, A.W., and Flerchinger, G.N. (2018): PNAS
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Integrating Unmanned Aerial Systems and LSPIV for Rapids, Cost-Effective Stream Gauging. Lewis, Q.W., Lindroth, E.M., and Rhoads, B.L. (2018): Journal of Hydrology
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Floodplains as a Source of Fine Sediment in Grazed Landscapes: Tracing the Source of Suspended Sediment in the Headwaters of a Intensively Managed Agricultural Landscape. Yu, M. and Rhoads, B.L. (2018): Geomorphology
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Use of Multispectral Satellite Remote Sensing to Assess Mixing of Suspended Sediment Downstream of Large River Confluences. Umar, M., Rhoads, B.L., and Greenberg, J.A. (2018): Journal of Hydrology
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Historical Changes in Channel Network Extent and Channel Planform in an Intensively Managed Landscape: Natural Versus Human-Induced Effects. Rhoads, B.L., Lewis, Q.W., and Andresen, W. (2018): Geomorphology
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Stochastic Lattice-Based Modelling of Malaria Dynamics. Le, P.V.V., Kumar, P., and Ruiz, M.O. (2018): Malaria Journal
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Impact of Hydraulic Redistribution on Multispecies Vegetation Water Use in a Semiarid Savanna Ecosystem: An Experimental and Modeling Synthesis. Lee, E., Kumar, P., Barron-Gafford, G.A., Hendryx, S.M., Sanchez-Canete, E.P., Minor, R.L., Colella, T., and Scott, R.L. (2018): Water Resources Research Cross-CZO
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Streambed Restoration to Remove Fine Sediment Alters Reach-Scale Transient Storage in a Low-Gradient Fifth-Order River, Indiana, USA. Ward, A.S., Morgan, J.A., White, J.R., and Royer, T.V. (2018): Hydrological Processes
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Steering Operational Synergies in Terrestrial Observation Networks: Opportunity for Advancing Earth System Dynamics Modelling. Baatz, R., Sullivan, P.L., Li, L., Weintraub, S.R., Loescher, H.W., Mirtl, M., Groffman, P.M., Wall, D.H., Young, M., White, T., Wen, H., Zacharias, S., Kuhn, I., Tang, J., Gaillardet, J., Braud, I., Flores, A.N., Kumar, P., Lin, H., Ghezzehei, T., Jones, J., Gholz, H.L., Vereecken, H., and Van Looy, K. (2018): Earth System Dynamics
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Critical Transition in Critical Zone of Intensively Managed Landscapes. Kumar, P., Le, P.V.V., Papanicolaou, A.N., Rhoads, B.L., Anders, A.M., Stumpf, A., Wilson, C.G., Bettis, E.A., Blair, N., Ward, A.S., Filley, T., Lin, H., Keefer, L., Keefer, D.A., Lin, Y.-F., Muste, M., Royer, T.V., Foufoula-Georgiou, E., and Belmont, P. (2018): Anthropocene
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Radiocarbon and Stable Carbon Isotopes of Labile and Inert Organic Carbon in the Critical Zone Observatory in Illinois, USA. Wang, H., Stumpf, A.J., and Kumar, P. (2018): Radiocarbon
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Interactions of information transfer along separable causal paths. Jiang, P. and Kumar, P. (2018): Physical Review
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The C-biogeochemistry of a Midwestern USA agricultural impoundment in context: Lake Decatur in the intensively managed landscape critical zone observatory. Blair, N.E., Leithold, E.L., Papanicolaou, A.N., Wilson, C.G., Keefer, L., Kirton, E., Vinson, D., Schnoebelen, D., Rhoads, B., Yu, M., and Lewis, Q. (2018): Biogeochemistry
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Impacts of Quaternary History on Critical Zone Structure and Processes: Examples and a Conceptual Model from the Intensively Managed Landscapes Critical Zone Observatory. Anders, A.M., Bettis, E.A., Grimley, D.A., Stumpf, A.J., and Kumar, P. (2018): Frontiers in Earth Science
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Flow Resistance Interactions on Hillslopes With Heterogeneous Attributes: Effects on Runoff Hydrograph Characteristics. Papanicolaou, A.N., Abban, B.K., Dermisis, D.C., Giannopoulos, C.P., Flanagan, D.C., Frankenberger, J.R., and Wacha, K.M. (2018): Water Resources Research
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Groundwater Monitoring at the Watershed Scale: An Evaluation of Recharge and Nonpoint Source Pollutant Loading in the Clear Creek Watershed, Iowa. Schilling, K.E., Streeter, M.T., Bettis, E.A. III, Wilson, C.G., and Papanicolaou, A.N. (2018): Hydrological Processes
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Dynamic Flow Resistance Interactions between Landscape Attributes and Overland Flow: Effects on Runoff Hydrograph Characteristics. Papanicolaou, A.N., Abban, B., Dermisis, D.C., Giannopoulos, C.P., Flanagan, D.C., Frankenberg, J.R., and Wacha, K.M. (2018): Water Resources Research
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Understanding saturated hydraulic conductivity under seasonal changes in climate and land use. Elhakeem, M., Papanicolaou, A.N., Wilson, C.G., Chang, Y.-J., Burras, L., Abban, B., Wysocki, D.A., and Wills, S. (2018): Geoderma
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Monitoring of Unsteady Open Channel Flows Using Continuous Slope-area Method. Lee, K., Firoozfar, A.R., and Muste M. (2017): Hydrology and Earth Science Systems
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Coupling flow with nutrient dynamics via BioChemFOAM in the Mississippi River. Hernandez Murcia, O.E., Schnoebelen, D.J., Papanicolaou, A.N., and Abban, B. (2017): Journal of Applied Water Engineering and Research
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Interaction Between Ecohydrologic Dynamics and Microtopographic Variability Under Climate Change. Le, P.V.V. and Kumar, P. (2017): Water Resources Research
FEATURED
Role of Micro-Topographic Variability on the Distribution of Inorganic Soil-Nitrogen Age in Intensively Managed Landscape. Woo, D.K. and Kumar, P. (2017): Water Resources research
FEATURED NATIONALLY
New Opportunities for Critical Zone Science. Sullivan, P.L., Wymore, A.S., McDowell, W.H. et al. (2017): 2017 CZO Arlington Meeting White Booklet Cross-CZO National
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Functional Topology of Evolving Urban Drainage Networks. Yang, S., Paik, K., McGrath, G., Urich, C., Krueger, E., Kumar, P., and Rao, P. (2017): Water Resources Research
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Source-to-sink sedimentary systems and global carbon burial: A river runs through it. Leithold, E., Blair, N., and Wegmann, K. (2017): Earth-Science Reviews
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Growing new generations of critical zone scientists. Wymore, Adam S., Nicole R. West, Kate Maher, Pamela L. Sullivan, Adrian Harpold, Diana Karwan, Jill A. Marshall, Julia Perdrial, Daniella M. Rempe and Lin Ma (2017): Earth Surface Processes and Landforms 42 (14): 2498-2502 Cross-CZO National
FEATURED
Microbial diversity in an intensively managed landscape is structured by landscape connectivity . Griffin, J.S., Lu, N., Sangwan, N., Li, A., Dsouza, M., Stumpf, A.J., Sevilla, T., Culotti, A., Keefer, L.L., Kelly, J.J., Gilbert, J.A., Wells, G.F., and Packman, A.I. (2017): FEMS Microbiology Ecology
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Quantifying the changes of soil surface microroughness due to rainfall impact on a smooth surface. Abban, B., Papanicolaou, A.N., Giannopoulos, C.P., Dermisis, D.C., Wacha, K.M., Wilson, C.G., and Elhakeem, M. (2017): Nonlinear Processes in Geophysics
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Hydrogeomorphological differentiation between floodplains and terraces. Qina Yan, Toshiki Iwasaki, Andrew Stumpf, Patrick Belmont, Gary Parker, Praveen Kumar (2017): Earth Surface Processes and Landforms
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Patterns of change in high frequency precipitation variability over North America. Roque-Malo, S. and Kumar, P. (2017): Nature.com
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Impacts of hydraulic redistribution on grass–tree competition vs facilitation in a semi-arid savanna. Barron-Gafford G.A., Sanchez-Cañete E.P., Minor R.L., Hendryx S.M., Lee E., Sutter L.F., Tran N., Parra E., Colella T., Murphy P.C., Hamerlynck E.P., Kumar P. and Scott R.L. (2017): New Phytologist 215(4): 1451–1461 Cross-CZO
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Impacts of Hydraulic Redistribution on Grass-tree Competition vs Facilitation in a Semi-arid Savanna. Barron-Gafford, G.A., Sanchez-Canete, E.P., Minor, R.L., Hendryx, S.M., Lee, E., Sutter, L.F., Tran, N., Parra, E., Colella, T., Murphy, P.C., Hamerlynck, E.P., Kumar, P., and Scott, R.L. (2017): New Phytologist
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Temporal Information Partitioning Networks (TIPNets): A Process Network Approach to Infer Ecohydrologic Shifts. Goodwell, A.E. and Kumar, P. (2017): Water Resources Research
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Temporal Information Partitioning: Characterizing Synergy, Uniqueness, and Redundancy in Interacting Environmental Variables. Goodwell, A.E., and Kumar, P. (2017): Water Resources Research 53, 2017
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Critical Zone services as environmental assessment criteria in intensively managed landscapes. Richardson, M., and Kumar, P. (2017): Earth's Future
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Designing a network of critical zone observatories to explore the living skin of the terrestrial Earth. Brantley, S.L., McDowell, W.H., Dietrich, W.E., White, T.S., Kumar, P., Anderson, S., Chorover, J., Lohse, K.A., Bales, R.C., Richter, D., Grant, G., and Gaillardet, J. (2017): Earth Surface Dynamics, 5, 841–860 Cross-CZO National
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Identification and characterization of information-networks in long-tail data collections. Elag, M.M., Kumar, P., Marini, L., Myers, J.D., Hedstrom, M., and Plale, B.A. (2017): Environmental Modelling & Software
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Understanding mass fluvial erosion along a bank profile: Using PEEP technology for Quantifying Retreat Lengths and Identifying Event Timing. Papanicolaou, A.N., Wilson, C.G., Tsakiris, A.G., Sutarto, T.E., Bertrand, F., Rinaldi, M., Dey, S., and Langendoen, E. (2017): Earth Surface Processes and Landforms
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Weather whiplash in agricultural regions drives deterioration of water quality. Loecke, T.D., Burgin, A.J., Riveros-Iregui, D.A., Ward, A.S., Thomas, S.A., Davis, C.A., and St. Clair, M.A. (2017): Biogeochemistry Letters
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Using Magnetic Fly Ash to Identify Post-Settlement Alluvium and its Record of Atmospheric Pollution, Central USA. Grimley, D., Anders, A., Bettis, E.A., Bates, B., Wang, J. Butler, S., and Huot, S (2017): Anthropocene
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A service-oriented architecture for coupling web service models using the Basic Model Interface (BMI). Jiang, P., Elag, M., Kumar, P., Peckham, S.D., Marini, L., and Rui, L. (2017): Environmental Modelling & Software
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Comment on ‘‘Climate and agricultural land use change impacts on streamflow in the upper midwestern United States’’ by Satish C Gupta et al. Foufoula-Georgiou, E., Belmont, P., Wilcock, P., Gran, K., Finlay, J.C., Kumar, P., Gzuba, J.A., Schwenk, J., and Takbiri, Z. (2016): Water Resources Research
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Characterizing Vegetation Canopy Structure Using Airborne Remote Sensing Data. Dutta, D., Wang, K., Lee, E., Goodwell, A., Woo, D.K., Wagner, D., and Kumar, P. (2016): IEEE Transactions on Geoscience and Remote Sensing
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Decreasing, not increasing, leaf area will raise crop yields under global atmospheric change. Srinivasan, V., Kumar, P., and Long, S.P. (2016): Global Change Biology
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How does reach-scale stream-hyporheic transport vary with discharge? Insights from rSAS analysis of sequential tracer injections in a headwater mountain stream. Harman, C.J., Ward, A.S., and Ball, A. (2016): Water Resources Research
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Optimizing Sampling Strategies for Riverine Nitrate Using High-frequency Data in Agricultural Watersheds. Reynolds, K.N., Loecke, T.D., Burgin, A.J., Davis, C.A., Riveros-Iregui, D., Thomas, S.A., St. Clair, M.A., and Ward, A.S. (2016): Environmental Science & Technology
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Dynamic Assessment of Current Management in an Intensively Managed Agroecosystem. Wilson, C.G., Wacha, K.M., Papanicolaou, A.N., Sander, H.,A., Freudenberg, V.B., Abban, B.K., and Zhao, C (2016): Journal of Contemporary Water Research & Education
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Hyporheic exchange controlled by dynamic hydrologic boundary conditions. Schmadel, N.M., Ward, A.S., Lowry, C.S., and Malzone, J.M. (2016): Geophysical Research Letters
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Hydrogeomorphic controls on hyporheic and riparian transport in two headwater mountain streams during base flow recession. Ward, A.S., Schmadel, N.M., Wondzell, S.M., Harman, C., Gooseff, M.N., and Singha, K. (2016): Water Resources Research
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Response of the hyporheic zone to transient groundwater fluctuations on the annual and storm event time scales. Malzone, J.M., Lowry, C.S., and Ward, A.S. (2016): Water Resources Research
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Spatio-temporally variable controls confound transport process interpretation of stream solute tracers. Schmadel, NM, AS Ward, MJ Kurz, JH Fleckenstein, JP Zarnetske, DM Hannah, T Blume, T Datry, M Vieweg, C Schmidt, PH Blaen, MJ Klaar, J Knapp, P Romeijn, T Keller, S Folegot, A Marruedo, S Krause (2016): Water Resources Research
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Mean Age Distribution of Inorganic Soil-nitrogen. Woo, D.K., and Kumar, P. (2016): Water Resources Research
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An enhanced Bayesian fingerprinting framework for studying sediment source dynamics in intensively managed landscapes. Abban, B., Papanicolaou, A.N., Cowles, M.K., Wilson, C.G., Abaci, O., Wacha, K., Schilling, K., and Schnoebelen, D. (2016): Water Resources Research
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Effects of Land Cover on Streamflow Variability in a Small Iowa Watershed: Assessing Future Vulnerabilities. Schilling, K., M. Streeter, K. Hutchinson, C.G. Wilson, B.K. Abban, K.M. Wacha and A.N. Papanicolaou (2015): American Journal of Environmental Sciences
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From soilscapes to landscapes: A landscape-oriented approach to simulate soil organic carbon dynamics in intensively managed landscapes. Papanicolaou, A.N., K.M. Wacha, B.K. Abban, C.G. Wilson, J. Hatfield, C. Stanier, and T. Filley (2015): Journal of Geophysical Research: Biogeosciences
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The evolution and state of interdisciplinary hyporheic research. Ward, A. (2015): WIREs Water 2015
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Information Theoretic Measures to Infer Feedback Dynamics in Coupled Logistic Networks. Goodwell, A., Kumar, P. (2015): Entropy 2015, 17, 7468-7492
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Historical changes in channel network extent and channel planform in an intensively managed landscape: Natural versus human-induced effects. Rhoads, B.L., Lewis, Q.W., and Andresen, W. (2015): Geomorphology
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GPU-based high-performance computing for integrated surface–sub-surface flow modeling. Le, P.V.V., Kumar, P., Valocchi, A.J., and Dang, H.-V. (2015): Environmental Modelling & Software
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Hydrocomplexity: Addressing Water Security and Emergent Environmental Risks. Kumar, P. (2015): Water Resources Research, 51: pp12
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Enhanced Vadose Zone Nitrogen Removal by Poplar During Dormancy. Ausland, H., Ward, A., Licht, L., and Just, C (2015): International Journal of Phytoremediation
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On the Feasibility of Characterizing Soil Properties From AVIRIS Data. Dutta, D., Goodwell, A.E., Kumar, P., Garvey, J.E., Darmody, R.G., Berretta, D.P., and Greenberg, J.A. (2015): IEEE Transactions on Geoscience and Remote Sensing
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Coupled reversion and stream-hyporheic exchange processes increase environmental persistence of trenbolone metabolites. Ward, A.S., Cwiertny, D.M., Kolodziej, E.P., and Brehm, C.C. (2015): Nature Communications
FEATURED NATIONALLY
Common Critical Zone Observatory (CZO) Infrastructure and Measurements. J. Chorover, S. Anderson, A. K. Aufdenkampe, R. C. Bales, S. L. Brantley, W. Dietrich, P. Kumar, K. A. Lohse, W. McDowell, D. Richter, T. White (2015): A Guide Prepared By CZO PIs, May 05, 2015 Cross-CZO National
FEATURED
Spatial variability of saturated hydraulic conductivity at the hillslope scale: Understanding the role of land management and erosional effect. Papanicolaou, A.N., Elhakeem, M., Wilson, C.G., Burras, C.L., West, L.T., Lin, H., Clark, B., and Oneal, B.E. (2015): Geoderma
FEATURED NATIONALLY
Common questions of the US NSF–supported Critical Zone Observatories. Dietrich, W.E. and Lohse, K. (2014): A Guide Prepared By CZO PIs Cross-CZO National
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Threshold Dynamics in Soil Carbon Storage for Bioenergy Crops. Woo, D.K., Quijano, J.C., Kumar, P., Chaoka, S., Bernacchi, C.J. (2014): Environmental Science & Technology
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A stability analysis of semi-cohesive streambanks with CONCEPTS: Couple field and laboratory investigations to quantify the onset of fluvial erosion and mass failure. Sutarto, T.E., Papanicolaou, A.N., Wilson, C.G., and Langendoen, E. (2014): Journal of Hydraulic Engineering-ASCE
FEATURED
Power law scaling of topographic depressions and their hydrologic connectivity. Phong, V. V. Le and Praveen Kumar, P. (2014): Geophysical Research Letters
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Emergent and divergent resilience behavior in catastrophic shift systems. Srinivasan, V. and Kumar, P. (2014): Ecological Modelling
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Simultaneous improvement in productivity, water use, and albedo through crop structural modification. Drewry, D.T., Kumar, P., and Long, S.P. (2014): Global Change Biology
Papers/Books
Flow Resistance Interactions on Hillslopes With Heterogeneous Attributes: Effects on Runoff Hydrograph Characteristics. Papanicolaou, A.N., Abban, B., Dermisis, D., Giannopoulos, C., Flanagan, D., Frankenberger, J., and Wacha, K. (2018): Water Resources Research
Radiogenic and stable Sr isotope ratios (87Sr/86Sr, δ88/86Sr) as tracers of chemical weathering and biogeochemical cycling in the Milford Sound region of Fiordland, New Zealand. Andrews M. G., Jacobson A. D., Lehn G. O., Horton T. W., and Craw D. (2016): Geochimica et Cosmochimica Acta 173: 284-303
Soil microbial response to photo-degraded C 60 fullerenes. Berry, T.D., Clavijo, A.P., Zhao, Y., Jafvert, C.T., Turco, R.F., and Filley, T.R. (2016): Environmental Pollution 211: 338-345
Size and variability of crop productivity both impacted by CO2 enrichment and warming—A case study of 4 year field experiment in a Chinese paddy. Wang, J., Liu, X., Zhang, X., Smith, P., Li, T., Filley, T.R., Cheng, K., Shen, M., He, Y., and Pan, G. (2016): Agriculture, Ecosystems & Environment 221: 40-49
Weathering of pyrogenic organic matter induces fungal oxidative enzyme response in single culture inoculation experiments. Gibson, C., Berry, T.D., Wang, R., Spencer, J.A., Johnston, C.T., Jiang, Y., Bird, J.A., and Filley, T.R. (2016): Organic Geochemistry 92: 32-41
Reports/Proposals
CZO Network Attributes Table. CZO Network (2018): CZO National Office Cross-CZO National
Intensively Managed Landscapes CZO Annual Report 2017. Kumar, P. (2017): IML CZO, NSF Award #1331906
Undergrad Theses
Incipient changes of lignin and substituted fatty acids under N addition in a Chinese forest soil. Wu, N., Filley, T.R., Bai, E., Han, S., and Jiang, P. (2015): Organic Geochemistry
Talks/Posters
Comparing the Impact of Hydraulic Redistribution on Co-existing Vegetation Interaction in Semi-arid Upland and Riparian Sites. Lee, E., Kumar, P., Barron-Gafford, G., Scott, R.L. (2018): Abstract H11A-08 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14 Dec Cross-CZO
Fostering Collaboration Across the US Critical Zone Observatories Network. Sharkey, S. and White, T. (2017): 2017 American Geophysical Union Fall Meeting, New Orleans, LA, 11-15 Dec Cross-CZO National
How soil water storage moderates climate changes effects on transpiration, across the different climates of the Critical Zone Observatories. Heckman, C.; Tague, C. (2017): Fall Meeting, American Geophysical Union, December 2017. Abstract H23H-1777. Cross-CZO National
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