News

FEATURED

Post-Wildfire Erosion Can Sculpt Forested Mountains

19 Apr 2016 - Researchers from the UA Santa Catalina Mountains & Jemez River Basin Critical Zone Observatory did before-and-after studies of how severe...

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EOS: Bark Beetles Cause Big Tree Die-Offs, but Streams Flow Steadily

10 Mar 2016 - EOS article written by Lily Strelich features research conducted by CZO investigators and their colleagues, which shows that bark beetle epidemics...

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The 2016 MG Anderson Award

03 Mar 2016 - The 2016 MG Anderson Award for Outstanding Paper in Hydrological Processes, Wiley is presented to Jemez-Catalina CZO investigators.

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EOS Opinion: Understanding Ecosystem Services from a Geosciences Perspective

22 Jan 2016 - Assessment of ecosystem services can be improved by including broader spatial and temporal scales of geosciences perspectives.

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EOS: Taking the Pulse of the Earth’s Surface Systems

04 Dec 2015 - Taking the Pulse of the Earth's Surface Systems In September of 2014, Laurel Larsen (UC Berkley), Elizabeth Hajek (Penn State), and others...

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CZ Science Cafe Series, Introduction to the Critical Zone

10 Nov 2015 - Dr. Jon Chorover explains the basic concept of the Critical Zone and the earth science during the first Cafe presentation in the Critical Zone...

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Mt. Lemmon Science Tour App

04 Nov 2015 - This app is designed to accompany a drive up the Catalina Highway and it describes a wide range of sky island science, including some of that done...

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Forests Worldwide Vulnerable to Drought, UA Researcher Says

28 Aug 2015 - David Breshears was interviewed by Sara Hammond about forest vulnerability to growing risks of drought and heat-induced die-off. Read and listen...

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CZO Ecology Session at ESA 2015 Meeting

16 Jul 2015 - A session entitled 'Ecology in the Critical Zone" will take place at the Ecological Society of America (ESA) 2015 Meeting held  from August...

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Jon Chorover to speak at international workshop on hydro-biogeochemical processes

16 Jul 2015 - Jon Chorover of the Santa Catalina Mountains & Jemez River Basin CZO has been invited to talk at the Hydro-Biogeochemical Processes: Mechanisms,...

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Soil, Not Dirt: A Digital Journey Connecting Soils, Plants, and Climate by Rebecca Lybrand

08 Jun 2015 - Join Rebecca on an exciting GoPro adventure to study soil in the desert, grasslands, and pine forests of Arizona.

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Critical Zone Profiles - Meet the people doing CZO science (Catalina-Jemez CZO)

19 Mar 2015 - Get a sense of the people and the work. Several members of the Catalina-Jemez CZO are profiled here, including students and professors.

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Critical Zone Services: Expanding Context, Constraints, and Currency beyond Ecosystem Services

10 Feb 2015 - Critical Zone Services: Expanding Context, Constraints, and Currency beyond Ecosystem Services

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Predicting post-wildfire erosion better

08 Dec 2014 - Jon Pelletier and his graduate student Caitlin Orem's research on the post Las Conchas fire erosion was highlighed in the Arizona Daily Star...


Joint AGU-ESA Event Brings Together Collaborative Networks

17 Aug 2015 - Members of AGU and the Ecological Society of America came together in their first joint event to discuss opportunities for research collaboration.

Video: CZ graduate students reflect on experience at University of Western Australia Summer School

13 May 2015 - Students from around the Worldwide Universities Network (WUN) gathered in Perth for two weeks in Feb. 2015 for the Inaugural WUN Summer School.

Critical Zone Profile - CHRISTOPHER SHEPARD (soil researcher, PhD student)

17 Mar 2015 - PhD Student; Soil, Water, and Environmental Science; University of Arizona.

Critical Zone Profile - JENNIFER MCINTOSH (hydrobiogeochemist, associate professor)

17 Mar 2015 - Associate Professor, Hydrology and Water Resources, University of Arizona.

Critical Zone Profile - KYLE TROSTLE (geochemist, postdoctoral researcher)

13 Mar 2015 - Postdoctoral Researcher; Soil, Water, and Environmental Science; University of Arizona.

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Events

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NSF Review of CZO Network

Review of CZO network by NSF will occur in Fall 2016


National Science Foundation, Arlington, VA.


No other upcoming events have been posted

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Publications

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U-series isotopic signatures of soils and headwater streams in a semi-arid complex volcanic terrain. Huckle D., Ma L., McIntosh J., Vázquez-Ortega A., Rasmussen C., Chorover J. (2016): Chemical Geology (online)

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Multi-scale predictions of massive conifer mortality due to chronic temperature rise. McDowell N.G., Williams A.P., Xu C., Pockman W.T., Dickman L.T., Sevanto S., Pangle R., Limousin J., Plaut J., Mackay D.S., Ogee J., Domec J.C., Allen C.D., Fisher R.A., Jiang X.,Muss J.D., Breshears D.D., Rauscher S.A. and Koven C. (2016): Nature Climate Change 6 (3): 295-300

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Understanding ecosystem services from a geosciences perspective. Field J.P., Breshears D.D., Law D.J., Villegas J.C., López-Hoffman L., Brooks P.D., Chorover J., and Pelletier J.D. (2016): EOS 97

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Solid-phase redistribution of rare earth elements in hillslope pedons subjected to different hydrologic fluxes. Vázquez-Ortega A., Huckle D., Perdrial J., Amistadi M.K., Durcik M., Rasmussen C., McIntosh J., Chorover J. (2016): Chemical Geology 426: 1-18

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Recent tree die-off has little effect on streamflow in contrast to expected increases from historical studies. Biederman J.A., Somor A.J., Harpold A.A., Gutmann E.D., Breshears D.D., Troch P.A., Gochis D.J., Scott R.l., Meddens A.J.H., and Brooks P.D. (2015): Water Resources Research 51(12): 9775-9789 Cross-CZO

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The effects of catastrophic wildfire on water quality along a river continuum. Reale J.K., Van Horn D.J., Condon K.E., and Dahm C.N. (2015): Freshwater Science 34(4): 1426-1442

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Key Edaphic Properties Largely Explain Temporal and Geographic Variation in Soil Microbial Communities across Four Biomes. Docherty K.M., Borton H.M., Espinosa N., Gebhardt M., Gil-Loaiza J., Gutknecht J.L.M., Maes P.W., Mott B.M., Parnell J.J., Purdy G., Rodrigues P.A.P., Stanish L.F., Walser O.N., Gallery R.E. (2015): PLoS ONE 10(11): e0135352

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Hydrological partitioning in the critical zone: Recent advances and opportunities for developing transferable understanding of water cycle dynamics. Brooks P.D., Chorover J., Fan Y., Godsey S.E., Maxwell R.M., McNamara J.P., and Tague C. (2015): Water Resources Research 51 (9): 6973-6987 Cross-CZO

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Influence of terrain aspect on water partitioning, vegetation structure, and vegetation greening in high elevation catchments in northern New Mexico. Zapata-Rios X., Brooks P.D., Troch P.A., McIntosh J. and Guo Q. (2015): Ecohydrology (online) Cross-CZO National

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Sensitivity of regional evapotranspiration partitioning to variation in woody plant cover: insights from experimental dryland tree mosaics. Villegas J.C., Dominguez F., Barron-Gafford G.A., Adams H.D., Guardiola-Claramonte M., Sommer E.D., Selvey A.W., Espeleta J.F., Zou C.B., Breshears D.D. and Huxman T.E. (2015): Global Ecology and Biogeography 24(9): 1040-1048

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Climatic and landscape controls on water transit times and silicate mineral weathering in the critical zone. Zapata-Rios X., McIntosh J., Rademacher L., Troch P.A., Brooks P.D., Rasmussen R., Chorover J. (2015): Water Resources Research 51(8): 6036-6051

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On underestimation of global vulnerability to tree mortality and forest die-off from hotter drought in the Anthropocene. Allen C.D., Breshears D.D., and McDowell N.G (2015): Ecosphere 6(8): art129

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Discriminating disturbance from natural variation with LiDAR in semi-arid forests in the southwestern USA. Swetnam T.L., Lynch A.M., Falk D.A., Yool S.R., and Guertin D.P. (2015): Ecosphere 6(6): art97

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Chapter 2 – The Role of Critical Zone Observatories in Critical Zone Science. White T., Brantley S., Banwart S., Chorover J., Dietrich W., Derry L., Lohse K., Anderson S., Aufdendkampe A., Bales R., Kumar P., Richter D., McDowell B. (2015): Developments in Earth Surface Processes 19: 15–78 Cross-CZO National

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Chapter 6 – Soil Geochemistry in the Critical Zone: Influence on Atmosphere, Surface- and Groundwater Composition. Perdrial J., Thompson A., Chorover J. (2015): Developments in Earth Surface Processes 19: 173–201 Cross-CZO

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Chapter 8 – Ecohydrology and the Critical Zone: Processes and Patterns Across Scales. Moore G., McGuire K., Troch P., Barron-Gafford G. (2015): Developments in Earth Surface Processes 19: 239-266

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Mineral nutrient mobilization by plants from rock: influence of rock type and arbuscular mycorrhiza. Burghelea C., Zaharescu D.G., Dontsova K., Maier R., Huxman T., Chorover J. (2015): Biogeochemistry 124(1-3): 187-203

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Quantifying Topographic and Vegetation Effects on the Transfer of Energy and Mass to the Critical Zone. Rasmussen C., Pelletier J.D., Troch P.A., Swetnam T.L., and Chorover J. (2015): Vadose Zone Journal 14 (11)

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Laser vision: lidar as a transformative tool to advance critical zone science. Harpold, A. A., Marshall, J. A., Lyon, S. W., Barnhart, T. B., Fisher, B. A., Donovan, M., Brubaker, K. M., Crosby, C. J., Glenn, N. F., Glennie, C. L., Kirchner, P. B., Lam, N., Mankoff, K. D., McCreight, J. L., Molotch, N. P., Musselman, K. N., Pelletier, J., Russo, T., Sangireddy, H., Sjöberg, Y., Swetnam, T., and West, N. (2015): Hydrol. Earth Syst. Sci., 19, 2881-2897 Cross-CZO National

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Consequences of mixing assumptions for time-variable travel time distributions. van der Velde Y., Heidbüchel I., Lyon S.W., Nyberg L., Rodhe A., Bishop K. and Troch P.A. (2015): Hydrological Processes 29(16): 3460–3474

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Climatic and landscape influences on soil moisture are primary determinants of soil carbon fluxes in seasonally snow-covered forest ecosystems. Stielstra C.M., Lohse K.A., Chorover J., McIntosh J.C., Barron-Gafford G.A., Perdrial J.N., Litvak M., Barnard H.R., Brooks P.D. (2015): Biogeochemistry 123(3): 447–465 Cross-CZO

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Quantifying the time scale of elevated geomorphic response following wildfires using multi-temporal LiDAR data: An example from the Las Conchas fire, Jemez Mountains, New Mexico. Orem C.A. and Pelletier J.D. (2015): Geomorphology 232: 224–238

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Quantifying the effects of vegetation structure on snow accumulation and ablation in mixed-conifer forests. Broxton P. D., Harpold A. A., Biederman J. A., Troch P. A., Molotch N. P., and Brooks P. D. (2015): Ecohydrology 8(6): 1073-1094 Cross-CZO

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Soil moisture response to snowmelt timing in mixed-conifer subalpine forests. Harpold A. A., Molotch N. P., Musselman K. N., Bales R. C., Kirchner P. B., Litvak M. and Brooks P. D. (2015): Hydrological Processes 29(12): 2782–2798 Cross-CZO

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Critical Zone Services: Expanding Context, Constraints, and Currency beyond Ecosystem Services. Field J.P., Breshears D.D., Law D.J., Villegas J.C., López-Hoffman L., Brooks P.D., Chorover J., Barron-Gafford G.A., Gallery R.E., Litvak M.E., Lybrand R.A., McIntosh J.C., Meixner T., Niu G-Y., Papuga S.A., Pelletier J.D., Rasmussen C.R., and Troch P.A (2015): Vadose Zone Journal 14(1)

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Sunlight and soil-litter mixing: drivers of litter decomposition in drylands. Barnes P.W., Throop H.L., Archer S.R., Breshears D.D., McCulley R.L., and Tobler M.A. (2015): Progress in Botany 76: 273-302

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Rare Earth Elements as Reactive Tracers of Biogeochemical Weathering in Forested Rhyolitic Terrain. Vázquez-Ortega A., Perdrial J., Harpold A., Zapata-Ríos X., Rasmussen C., McIntosh J., Schaap M., Pelletier J.D., Brooks P.D., Amistadi M.K., Chorover J. (2015): Chemical Geology 391: 19-32 Cross-CZO

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Quantifying soil and critical zone variability in a forested catchment through digital soil mapping. Holleran M., Levi M., and Rasmussen C. (2015): SOIL 1(1): 47-64


The Landscape Evolution Observatory: A large-scale controllable infrastructure to study coupled Earth-surface processes. Pangle L.A., DeLong S.B., Abramson N., Adams J., Barron-Gafford G.A., Breshears D.D., Brooks P.D., Chorover J., Dietrich W.E., Dontsova K., Durcik M., Espeleta J., Ferre T.P.A., Ferriere R., Henderson W., Hunt E.A., Huxman T.E., Millar D., Murphy B., Niu G-Y., Pavao-Zuckerman M., Pelletier J.D., Rasmussen C., Ruiz J., Saleska S., Schaap M., Sibayan M., Troch P.A., Tuller M., van Haren J., Zeng X. (2015): Geomorphology 244: 190-203 Cross-CZO

Increased evaporation following widespread tree mortality limits streamflow response. Biederman J.A., Harpold A.A., Gochis D.J., Ewers B.E., Reed D.E., Papuga S.A., and Brooks P.D. (2014): Water Resources Research 50(7): 5395–5409 Cross-CZO

Quantifying the influence of deep soil moisture on ecosystem albedo: The role of vegetation. Sanchez-Mejia Z.M., Papuga S.A., Swetish J.B., van Leeuwen W.J.D., Szutu D., and Hartfield K. (2014): Water Resources Research 50: 4038-4053

Fractionation of Dissolved Organic Matter by (Oxy)Hydroxide-Coated Sands: Competitive Sorbate Displacement during Reactive Transport. Vazquez-Ortega A., Hernandez-Ruiz S., Amistadi M.K., Rasmussen C., Chorover J. (2014): Vadose Zone Journal 13(7):

Progress on relationships between horizontal and vertical dust flux: Mathematical, empirical and risk-based perspectives. Whicker J.J., Breshears D.D. and Field J.P. (2014): Aeolian Research 14: 105-111

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