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An International Initiative for Science in the Critical Zone

23 Jun 2015 (National) - The results of a pre-AGU 2014 international Critical Zone workshop in San Francisco were recently published in Eos Buzz.


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

13 May 2015 (National, Boulder, Catalina-Jemez, Luquillo, Reynolds) - Students from around the Worldwide Universities Network (WUN) gathered in Perth for two weeks in Feb. 2015 for the Inaugural WUN Summer School.


Geology paper about Boulder flood on release picked up by the press.

01 Apr 2015 (National, Boulder) - The Boulder Creek CZO and coauthors are highlighted in recent articles for their analysis of flooding and debris flows from the historic 2013...


Introducing a CZO Newsletter: CZNews

30 Mar 2015 (National) - The CZO National Office introduces a quarterly newsletter: CZNews!


Critical Zone Profiles - Meet the people doing CZO science

19 Mar 2015 (National) - Get a sense of the people and the work. Profiles include some senior scientists, university faculty, postdoctoral researchers, and graduate students.


Instrumentation at the CZO Sandstone Catena nearing completion

26 Jun 2015 (Shale Hills) - Four landscape positions have been selected and instrumented along a sandstone catena in Garner Run.  This research site, predominantly...


Salon on Deep Critical Zone Architecture held June 14-18, 2015

26 Jun 2015 (National, Boulder, Eel, Luquillo, Shale Hills) - An international group of 17 researchers met at Snow Mountain Ranch, Granby, Colorado for 3.5 days of presentations and discussions on the nature of...

Summer REU/RET students expand sampling protocols to include methane

25 Jun 2015 (Shale Hills) - Three summer students join with Earth and Environmental Systems Institute scientists to learn water quality field sampling techniques.  Two of...

Owyhee Hydrology Camp

23 Jun 2015 (Reynolds) - The 2015 Owyhee Hydrology Camp was held at Reynolds Creek Experimental Watershed (RCEW), and is sponsored by the Owyhee Watershed Council with the...

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Clays in the Critical Zone

Clays in the Critical Zone: soils, weathering and elemental cycling

Edinburgh, Scotland.



Summer Science Meeting

Calhoun Experimental Forest, Union Co., SC.


ESA relationships between microbial ecology and SOM

Exploring relationships between microbial ecology and soil organic matter stability in deep tropical soil profiles

328, Baltimore Convention Center.


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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 (National, Boulder, Catalina-Jemez, Reynolds, Shale Hills, Sierra) Cross-CZO National


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 (Boulder, Catalina-Jemez, Reynolds) Cross-CZO


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 (online) (Boulder, Catalina-Jemez) Cross-CZO


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 (Boulder, Catalina-Jemez, Christina, Sierra) Cross-CZO


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) (Catalina-Jemez)


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 (Catalina-Jemez)

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 (online) (Catalina-Jemez)

The relative contributions of alpine and subalpine ecosystems to the water balance of a mountainous, headwater catchment . Knowles, J.F., Harpold, A.A., Cowie, R., Zeliff, M., Barnard, H.R., Burns, S.P., Blanken, P.D., Morse, J.F., and Williams, M.W. (2015): Hydrological Processes, in press (Boulder)

Spatiotemporal patterns of soil matric potential in the Shale Hills Critical Zone Observatory. Yu, H., P. Yang, and H.S. Lin (2015): Vadose Zone Journal (Shale Hills)

Lignin decomposition is sustained under fluctuating redox conditions in humid tropical forest soils. Steven J. Hall, Whendee L. SIilver, Vitaliy I. Timokhin and Kenneth E. Hammel (2015): Global Change Biology (Luquillo)

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