Amilcare M. Porporato
Professor of Civil and Environmental Engineering
Princeton - Princeton University
Porporato's Princeton page
PhD, Polytechnic University Of Turin, 1996
Near-wall turbulence, nonlinear analysis of hydrologic time series, stochastic soil moisture dynamics and water balance, soil-atmosphere interaction, and ecohydrology, complexity in the environment, sustainable use of soil and water resources. Co-PI of the Calhoun CZO at Duke University; joined faculty of Princeton University in September 2017.
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CZO Publications
Papers/Books
2020
Linear layout of multiple flow-direction networks for landscape-evolution simulations. Anand, S.K., M. Hooshyar, and A. Porporato (2020): Environmental Modelling & Software 133: 104804
2020
Channelization cascade in landscape evolution. Bonetti, S., M. Hooshyar, C. Camporeale, and A. Porporato (2020): PNAS 117(3): 1375-1382
2020
Wetness controls on global chemical weathering. Calabrese, S., and A. Porporato (2020): Environmental Research Communications 2(8), 085005
2020
Variational analysis of landscape elevation and drainage networks. Hooshyar, M., S. Anand, and A. Porporato (2020): Proceedings of the Royal Society A, 476(2239), 20190775
2020
From turbulence to landscapes: Logarithmic mean profiles in bounded complex systems. Hooshyar, M., S. Bonetti, A. Singh, E. Foufoula-Georgiou, and A. Porporato (2020): Physical Review E 102, 033107
2020
Rainfall intensification increases the contribution of rewetting pulses to soil heterotrophic respiration. Manzoni, S., A. Chakrawal, T. Fischer, J.P. Schimel, A. Porporato, and G. Vico (2020): Biogeosciences 17(15): 4007-4023
2019
Jump processes with deterministic and stochastic controls. Bartlett, Mark S., Amilcare Porporato, and Lamberto Rondoni (2019): Physical Review E 100(4), 042133
2019
The effect of accelerated soil erosion on hillslope morphology. Bonetti, Sara, Daniel D. Richter, Amilcare Porporato (2019): Earth Surface Processes and Landforms 44(15): 3007-3019
2019
Impact of ecohydrological fluctuations on iron-redox cycling. Calabrese, Salvatore, and Amilcare Porporato (2019): Soil Biology and Biochemistry 133: 188-195 Cross-CZO
2019
Hydrological spaces of long-term catchment water balance. Daly, E., S. Calabrese, J. Yin, A. Porporato (2019): Water Resources Research 55(12): 10747-10764
2019
Linking parametric and water-balance models of the Budyko and Turc spaces. Daly, Edoardo, Salvatore Calabrese, Jun Yin, and Amilcare Porporato (2019): Advances in Water Resources 134: 103435
2019
Looking up or looking down? Hydrologic and atmospheric perspectives on precipitation and evaporation variability. Jin, Y., and A. Porporato (2019): Geophysical Research Letters 46(21): 11968-11971
2019
Reduced resilience as an early warning signal of forest mortality. Liu, Yanlan, Mukesh Kumar, Gabriel G. Katul, & Amilcare Porporato (2019): Nature Climate Change 9: 880-885
2019
Dynamic evolution of the soil pore size distribution and its connection to soil management and biogeochemical processes. Pelak, Norman, and Amilcare Porporato (2019): Advances in Water Resources 131, 103384
2019
The energy side of Budyko: Surface‐energy partitioning from hydrological observations. Yin, Jun, Salvatore Calabrese, Edoardo Daly, and Amilcare Porporato (2019): Geophysical Research Letters 46: 7456-7463
2018
State dependent jump processes: Ito–Stratonovich interpretations, potential, and transient solutions. Bartlett, M.S., and A. Porporato (2018): arXiv:1807.01848
2018
A class of exact solutions of the Boussinesq equation for horizontal and sloping aquifers. Bartlett, M.S., and A. Porporato (2018): Water Resources Research 54 (2): 767-778
2018
On the theory of drainage area for regular and non-regular points. Bonetti, S., A.D. Bragg, A. Porporato (2018): Proceedings of the Royal Society A 474: 20170693
2018
Evaluating the effect of nutrient redistribution by animals on the phosphorus cycle of lowland Amazonia. Buendía, Corina, Axel Kleidon, Stefano Manzoni, Björn Reu, and Amilcare Porporato (2018): Biogeosciences 15: 279-295
2018
The formation of clay‐enriched horizons by lessivage. Calabrese, Salvatore, Daniel D. Richter, and Amilcare Porporato (2018): Geophysical Research Letters 45(15): 7588-7595
2018
Similarities in the evolution of plants and cars. Hartzell, Samantha, Mark Bartlett, Jun Yin, Amilcare Porporato (2018): PLoS ONE 13(6): e0198044
2018
Unified representation of the C3, C4, and CAM photosynthetic pathways with the Photo3 model. Hartzell, Samantha, Mark S. Bartlett, and Amilcare Porporato (2018): Ecological Modelling 384: 173-187
2018
Ecohydrological model for the quantification of ecosystem services provided by urban street trees. Revelli, Roberto, and Amilcare Porporato (2018): Urban Ecosystems 21(3): 489-504
2018
Reinforcement of climate hiatus by decadal modulation of daily cloud cycle. Yin, Jun, and Amilcare Porporato (2018): arXiv:1803.01752
2018
Radiative effects of daily cloud cycle: general methodology and application to cloud fraction. Yin, Jun, and Amilcare Porporato (2018): arXiv:1803.01742
2017
On the dynamic smoothing of mountains. Bonetti, S., and Porporato, A. (2017): Geophysical Research Letters 44(11): 5531-5539
2017
Multiple outflows, spatial components, and nonlinearities in age theory. Calabrese, S., and Porporato, A. (2017): Water Resources Research, 53 (1): 110-126
2017
Hydrologic transport of dissolved inorganic carbon and its control on chemical weathering. Calabrese, S., Porporato, A., and Parolari, A.J. (2017): Journal of Geophysical Research: Earth Surface 122 (10): 2016-2032
2017
Increasing atmospheric humidity and CO2 concentration alleviate forest mortality risk. Liu, Yanlan, Anthony J. Parolari, Mukesh Kumar, Cheng-Wei Huang, Gabriel G. Katul, and Amilcare Porporato (2017): PNAS 114 (37): 9918-9923
2017
Boom and bust carbon-nitrogen dynamics during reforestation. Parolari, A.J., M.L. Mobley, A.R. Bacon, G.G. Katul, D.deB. Richter, and A. Porporato (2017): Ecological Modelling 360: 108-119
2017
A dynamical systems framework for crop models: Toward optimal fertilization and irrigation strategies under climatic variability. Pelak, Norman, Roberto Revelli, and Amilcare Porporato (2017): Ecological Modelling 365: 80-92
2017
Diurnal cloud cycle biases in climate models. Yin, Jun, and Amilcare Porporato (2017): Nature Communications 8: 2269
2016
Beyond the SCS-CN method: Theoretical framework for spatially-lumped rainfall-runoff response. Bartlett, M.S., A.J. Parolari, J.J. McDonnell, and A. Porporato (2016): Water Resources Research 52(6): 4608-4627
2016
Framework for event-based semidistributed modeling that unifies the SCS-CN method, VIC, PDM, and TOPMODEL. Bartlett, M.S., A.J. Parolari, J.J. McDonnell, and A. Porporato (2016): Water Resources Research 52 (9): 7036-7052
2016
Optimal control solutions to sodic soil reclamation. Mau, Y. and A. Porporato (2016): Advances in Water Resources 91: 37-45
2016
Forest soil carbon and nitrogen cycles under biomass harvest: Stability, transient response, and feedback. Parolari, A.J., Porporato, A. (2016): Ecological Modelling 326: 64-76
2016
Projected changes of rainfall seasonality and dry spells in a high greenhouse gas emissions scenario. Pascale, S.; Lucarini, V.; Feng, X.; Porporato, A.; Hasson, S. (2016): Climate Dynamics 46(3): 1331-1350
2016
Bistable plant-soil dynamics and biogenic controls on the soil production function. Pelak, N.F., A.J. Parolari, and A. Porporato (2016): Earth Surface Processes and Landforms 41(8): 1011-1017
2016
Comment on “Storage selection functions: A coherent framework for quantifying how catchments store and release water and solutes” by Rinaldo et al. Porporato, A., and S. Calabrese (2016): Water Resources Research 52(1): 613-615
2015
Stochastic rainfall-runoff model with explicit soil moisture dynamics. Bartlett, M.S., E. Daly, J.J. McDonnell, A.J. Parolari, A. Porporato (2015): Proceedings of the Royal Society A 471(2183): 20150389
2015
Stochastic soil water balance under seasonal climates. Feng, X., Porporato, A., and Rodriguez-Iturbe, I. (2015): Proceedings of the Royal Society A 471:20140623
2015
Nonlinear dynamics of the CAM circadian rhythm in response to environmental forcing. Hartzell, S.; Bartlett, M. S.; Virgin, L.; Porporato, A. (2015): Journal of Theoretical Biology 368:83-94
2015
A dynamical system approach to soil salinity and sodicity. Mau, Y., and Porporato, A. (2015): Advances in Water Resources 83:68-76
2015
The Doomsday Equation and 50 years beyond: new perspectives on the human‐water system. Parolari, A. J., Katul, G., Porporato, A. (2015): WIREs Water 2:407-414
2015
On the probabilistic structure of water age. Porporato, A., and Calabrese, S. (2015): Water Resources Research 51(5):3588-3600
2015
Ecohydrological modeling in agroecosystems: Examples and challenges. Porporato, A.; Feng, X.; Manzoni, S.; Mau, Y.; Parolari, A. J.; Vico G. (2015): Water Resources Research 51(7): 5081-5099
2015
Approximate analytical solution to diurnal atmospheric boundary-layer growth under well-watered conditions. Rigby, J. R.; Yin, J.; Albertson, J. D.; Porporato, A. (2015): Boundary-Layer Meteorology 156(1):73-89
2015
Land and atmospheric controls on initiation and intensity of moist convection: CAPE dynamics and LCL crossings. Yin, J., J.D. Albertson, J.R. Rigby, A Porporato (2015): Water Resources Research 51(10): 8476-8493
2014
Ecohydrological flow networks in the subsurface. Band, L., J.J. McDonnell, A. Barros, A. Bejan, T. Burt, W.E. Dietrich, J. Duncan, T. Hwang, G. Katul, Y. Kim, B. McGlynn, B. Myles, A. Porporato, C. Scaife, and P. Troch (2014): Ecohydrology 7(4):1073-1078
Papers and books that explicitly acknowledge a CZO grant are highlighted in PALE ORANGE.
Other CZO Publications
2020
Hydroclimatic control on global weathering regimes. Calabrese, Salvatore, and Amilcare Porporato (2020): EGU General Assembly 4-8 May 2020
2020
Optimality in landscape channelization and analogy with turbulence. Hooshyar, Milad, Sara Bonetti, Arvind Singh, Efi Foufoula-Georgiou, and Amilcare Porporato (2020): EGU General Assembly 4-8 May 2020
2020
Hydrology without Dimensions (John Dalton Medal Lecture). Porporato, Amilcare (2020): EGU General Assembly 4-8 May 2020
2019
The Dimensionless Groups of Chemical Weathering: Disentangling the Role of Hydroclimatic and Geological Factors. Calabrese, Salvatore, and Amilcare Porporato (2019): American Geophysical Union Fall Meeting, San Francisco, CA, December 9-13, 2019
2019
Forgotten Interactions: Missing Link in the Ecohydrologic Prediction Puzzle. Kumar, Mukesh, Christopher Krapu, Yanlan Liu, Anthony Parolari, Gabriel George Katul, Amilcare M Porporato, Mark E Borsuk (2019): American Geophysical Union Fall Meeting, San Francisco, CA, December 9-13, 2019
2019
Detecting Climate-Stress Induced Forest Mortality Before the Canonical Symptoms Appear. Kumar, Mukesh, Yanlan Liu, Gabriel George Katul, Amilcare M Porporato (2019): American Geophysical Union Fall Meeting, San Francisco, CA, December 9-13, 2019
2019
What is soil? An integrative exploration of a Critical material. Nelson, Donald R, Michael R Coughlan, Amilcare M Porporato, Daniel deB. Richter (2019): American Geophysical Union Fall Meeting, San Francisco, CA, December 9-13, 2019
2019
Scaling and dynamics of surface elevation in terrestrial landscape evolution. Porporato, A.M., M. Hooshyar, S.K. Anand (2019): American Geophysical Union Fall Meeting, San Francisco, CA, December 9-13, 2019
2019
Calhoun CZO Annual Report 2019. Richter, D., Kumar, M., McGlynn, B.L., Palmorth, S., Porporato, A. (2019): NSF Award #1331846
2018
Impact of climate-vegetation interactions on natural and disturbed landscape evolution: insights from the Calhoun Critical Zone Observatory. Bonetti, Sara; Ferguson, Terry; Richter, Daniel; Porporato, Amilcare (2018): European Geosciences Union General Assembly, 4-13 April, 2018, Vienna, Austria
2018
Ecohydrological controls on iron redox fluctuations. Calabrese, Salvatore, and Amilcare M. Porporato (2018): American Geophysical Union 2018 Fall Meeting, Washington, DC, 10-14 Dec 2018
2018
A dynamical system approach to soil iron and carbon cycles. Calabrese, Salvatore, and Amilcare Porporato (2018): European Geosciences Union General Assembly, 4-13 April, 2018, Vienna, Austria
2018
Potential impacts of climate change on tree mortality risk: Do plant hydraulic traits matter?. Kumar, M., Y. Liu, A. Parolari, C.-W. Huang, G.G. Katul, A.M. Porporato (2018): American Geophysical Union 2018 Fall Meeting, Washington, DC, 10-14 Dec 2018
2018
Synergistic data analytics and physical modeling for improved understanding of vegetation dynamics under climatological stress: a key uncertainty in ecosystem management. Liu, Y., M. Kumar, G.G. Katul, A. Parolari, A.M. Porporato, C.-W. Huang, A. Konings (2018): American Geophysical Union 2018 Fall Meeting, Washington, DC, 10-14 Dec 2018
2018
Reduced resilience as a potential early warning signal of forest mortality. Liu, Y., M. Kumar, G.G. Katul, and A. Porporato (2018): Ecological Society of America Annual Meeting, August 5-10, 2018, New Orleans, Louisiana
2018
The ecohydrological cost of lawns. Pelak, Norman F., and Amilcare Porporato (2018): American Geophysical Union Fall Meeting, Washington, DC, December 10-14, 2018
2018
Agricultural risk management under climate variability: the role of crop diversification. Porporato, Amilcare M., Samantha R Hartzell, Mark S Bartlett (2018): American Geophysical Union Fall Meeting, Washington, DC, December 10-14, 2018
2018
Calhoun CZO Annual Report 2018. Richter, D., Kumar, M., McGlynn, B.L., Palmorth, S., Porporato, A. (2018): NSF Award #1331846
2017
Rainfall-runoff response informed by exact solutions of Boussinesq equation on hillslopes. Bartlett, M. S., Jr.; Porporato, A. M. (2017): American Geophysical Union 2017 Fall Meeting, 11-15 Dec. 2017, New Orleans, LA
2017
Topographic controls on vegetation patterns. Bonetti, S., and Porporato, A. (2017): SIAM Conference on Applications of Dynamical Systems, Snowbird, UT, 21-25 May 2017
2017
Forward and backward evolution of the Calhoun CZO: the effect of natural and anthropogenic disturbances. Bonetti, S.; Porporato, A. M. (2017): American Geophysical Union 2017 Fall Meeting, 11-15 Dec. 2017, New Orleans, LA
2017
Stochastic dynamics of clay translocation and formation of argillic horizons. Calabrese, Salvatore, Daniel deB. Richter, Amilcare M Porporato (2017): American Geophysical Union 2017 Fall Meeting, New Orleans, Louisiana, 11-15 December 2017
2017
Impact of stochastic bioturbation and transport on the formation of argillic horizons. Calabrese, Salvatore, Daniel Richter, Amilcare Porporato (2017): Calhoun CZO 2017 Summer Science Meeting, Union, SC, 17-18 May 2017
2017
Hydrologic controls on chemical weathering in the Critical Zone. Calabrese, Salvatore, Tony Parolari, Amilcare Porporato (2017): Calhoun CZO 2017 Summer Science Meeting, Union, SC, 17-18 May 2017
2017
Increasing atmospheric humidity and CO2 concentrations alleviate forest mortality risk. Liu, Yanlan, Anthony Parolari, Mukesh Kumar, Cheng-Wei Huang, Gabriel Katul, Amilcare Porporato (2017): Calhoun CZO 2017 Summer Science Meeting, Union, SC, 17-18 May 2017
2017
Detection of early warning signals of forest mortality in California. Liu, Yanlan, Mukesh Kumar, Gabriel George Katul, Amilcare M Porporato (2017): American Geophysical Union 2017 Fall Meeting, New Orleans, Louisiana, 11-15 December 2017
2017
Impact of seasonal variability in water, plant and soil nutrient dynamics in agroecosystems. Pelak, N. F., III; Revelli, R.; Porporato, A. M. (2017): American Geophysical Union 2017 Fall Meeting, 11-15 Dec. 2017, New Orleans, LA
2017
Macroscopic behavior and fluctuation-dissipation response of stochastic ecohydrological systems (Invited). Porporato, Amilcare M (2017): American Geophysical Union 2017 Fall Meeting, New Orleans, Louisiana, 11-15 December 2017
2017
Annual Report 2017: Human and Natural Forcings of Critical Zone Dynamics and Evolution at the Calhoun Critical Zone Observatory. Richter, D. (2017): NSF Award #1331846
2017
Forward and backward evolution of the Calhoun CZO landscape. Sara Bonetti and Amilcare Porporato (2017): Critical Zone Science: Current Advances and Future Opportunities, workshop in Arlington, VA, 4-6 June, 2017
2016
Mean field approach to watershed hydrology. Bartlett, M.S., and A. Porporato (2016): European Geophysical Union General Assembly 2016, Vienna, Austria
2016
Crop water use and runoff in agricultural watersheds under hydro-climatic variability. Bartlett, M.S., and A. Porporato (2016): Invited talk at North Carolina State University, Raleigh, NC July 14, 2016
2016
Mean field approach to watershed hydrology. Bartlett, M.S., and A. Porporato (2016): CUAHSI 2016 Biennial Colloquium, Shepherdstown, WV
2016
A mean field approach to the watershed response under stochastic seasonal forcing. Bartlett, M.S., I. Rodriguez-Iturbe, and A.M. Porporato (2016): American Geophysical Union 2016 Fall Meeting, San Francisco, CA
2016
The dynamical system of weathering: deterministic and stochastic analysis. Calabrese, S., A. Parolari, A.M. Porporato (2016): American Geophysical Union 2016 Fall Meeting, San Francisco, CA
2016
Soil formation and weathering modeling. Calabrese, S., A.J. Parolari, A. Porporato (2016): Calhoun CZO 2016 Summer Science Meeting, Clinton, SC
2016
Increasing atmospheric humidity and CO2 concentration alleviate forest hydraulic failure risk. Liu, Y.; Parolari, A.; Kumar, M.; Porporato, A. M.; Katul, G. G. (2016): American Geophysical Union 2016 Fall Meeting, San Francisco, CA
2016
Mean field approach to watershed hydrology. Porporato, A., M. Bartlett (2016): Calhoun CZO 2016 Summer Science Meeting, Clinton, SC
2016
Propagation of hydroclimatic variability through the critical zone. Porporato, A.M., S. Calabrese, and A. Parolari (2016): American Geophysical Union 2016 Fall Meeting, San Francisco, CA
2016
Annual Report 2016: Human and Natural Forcings of Critical Zone Dynamics and Evolution at the Calhoun Critical Zone Observatory. Richter, D. (2016): NSF Award #1331846
2015
State transitions in coupled social-ecological agro-ecosystem models. Parolari, A. J., Pelak, N. F., Porporato, A. (2015): Calhoun CZO 2015 Summer Science Meeting
2015
A lumped, macroscopic approach to modeling soil moisture, CO2 transport, and chemical weathering in the critical zone. Porporato, A.; Parolari, A. (2015): American Geophysical Union Fall Meeting, December 2015, San Francisco, CA
2015
Impact of cloud timing on surface temperature and related hydroclimatic dynamics. Porporato, A.M., and J. Yin (2015): American Geophysical Union 2015 Fall Meeting, San Francisco, CA
2015
Annual Report 2015: Human and Natural Forcings of Critical Zone Dynamics and Evolution at the Calhoun Critical Zone Observatory. Richter, D. (2015): NSF Award #1331846
2014
Soil N as a buffer of critical zone carbon and nitrogen cycles in harvested ecosystems. Parolari, A.J., G.G. Katul, and A. Porporato (2014): American Geophysical Union Fall Meeting, December 2014, San Francisco, CA
2013
Coupled dynamics of soil formation and erosion in natural and agricultural ecosystems. Pelak, N. F.; Manzoni, S.; Wang, J.; Bras, R. L.; Porporato, A. M. (2013): American Geophysical Union Fall Meeting, December 2013, San Francisco, CA
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Models
Optimal Sensing
Topographically-derived spatial soil moisture model and application to optimal sensor location
A topographically-explicit soil moisture model is developed and applied to cluster watershed into homogeneous sampling regions
Plant-soil feedback
Bistable plant-soil dynamics and biogenic controls on the soil production function
A coupled soil-plant model was developed, exhibiting bistability driven by positive feedback between vegetation and soil.
CN reforest dynamics
Coupled dynamics of tree and soil C and N during reforestation following land abandonment
Calhoun reforestation was unique: 30% biomass was lost after age 35. Models are used to explore explanations of this behavior.
Dynamic Persistence
Dynamic Persistence of Alternative States
Following disturbance, ecosystems start recovering along trajectories that will eventually lead to a stable state.
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News
Water Resources in a Changing Climate
19 Jan 2016 - CZO community members were chosen as keynote speakers at Colorado State University's Hydrology Days 2015.
CCZO researcher Amilcare Porporato lectures on soil moisture dynamics and stoichiometry controls
27 Aug 2015 - Presented at the University of Saskatchewan's Global Institute of Water Security 10/29/2014
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