RESEARCH News

2018

CZOs at AGU 2018

23 Aug 2018 - The 2018 AGU Fall Meeting will be held December 10-14 in Washington, D.C.

Call for proposals: Research Coordination Networks (RCNs) Driving Convergent CZ Science

12 Jul 2018 - NSF Dear Colleague Letter: Research Coordination Networks (RCNs) for Driving Convergent Science in the Critical Zone

NSF Discovery articles focus on the CZOs.

10 May 2018 - The Discoveries section of the National Science Foundation's website on Critical Zone Observatories (CZOs).

Luquillo CZO SAVI International Scholars Program recipients anounced

10 Apr 2018 - Two Luquillo CZO researchers have been named SAVI International Scholars Program recipients,   Emma Harrison from the University of...

By river, ocean, or wind, rocks round the same way

04 Apr 2018 - The milky, smooth texture of beach glass evokes a history of turbulent transport, rough edges abraded away to produce curves. The same smooth...

Discussion paper open till April 5th in Biogeosciences

06 Mar 2018 - A discussion is open for the manuscript, "Elevating the biogeosciences within environmental research networks".

Teachers Data Jam Workshop

22 Jan 2018 - On Saturday, January 13, we successfully held our third Teacher Data Jam Workshop of the Luquillo LTER Schoolyard Program. On this occasion,...

White paper of 2017 CZ Science Meeting in Arlington, VA

01 Jan 2018 - New Opportunities for Critical Zone Science Following the June 2017 Arlington Meeting for Critical Zone Science (hosted by CZO), a white booklet...

2017

CZOs at AGU 2017

05 Dec 2017 - Information on CZO award recipients, events, presentations, etc. at the 2017 AGU Fall Meeting.

Ravaged El Yunque viewed as storm-recovery lab

17 Nov 2017 - Over the millennia, the tropical woodland known today as El Yunque National Forest has been pummeled by rains and rocked by hurricanes. But the...

Water Resources Research Special Collection: Concentration-discharge relations in the critical zone

30 Oct 2017 - Water Resources Research published a new special collection in September 2017 featuring concentration-discharge research from multiple CZOs.

Hurricane Maria decimated the nation’s only tropical rain forest outside Hawaii

05 Oct 2017 - Hurricane Maria ravaged Puerto Rico. The Category 4 storm destroyed thousands of homes, businesses, bridges, communication towers, the entire...

Researchers Set a Rainforest to Bake

05 Oct 2017 - The world’s rainforests absorb 30 percent of human-produced carbon dioxide. Plants take up the CO2 through photosynthesis and release it...

NSF Discovery: Can an ancient ocean shoreline set the stage for a tropical forest of today?

13 Jul 2017 - Researchers at NSF Critical Zone Observatory and Long-Term Ecological Research sites are finding out.

The frontier beneath our feet — an AGU commentary on the critical zone

21 Apr 2017 - AGU has published a collection of commentaries highlighting the important role Earth and space science research plays in society.

2017 CZO Webinar Series: Critical Zone and Society

06 Apr 2017 - 2017 CZO Webinar Series: Critical Zone and Society.

2016

CZOs at AGU 2016

22 Nov 2016 - CZOs at AGU 2016: Agenda and award recipients

Global warming experiment turns up the heat in Puerto Rican forest

27 Oct 2016 - A pioneering research project is aiming to determine how forests in the Amazon, the Congo and elsewhere in the tropics will reacting to rising tempera

AGU Abstracts due August 3: List of CZ Sessions

24 Jul 2016 - AGU 2016 sessions related to CZ science. Submit your abstract by August 3.

Critical Zone Science at ESA 2016

13 Jul 2016 - National Science Foundation-funded research results presented at 2016 Ecological Society of America meeting in August

How Do Tropical Forests Slow Knickpoints in Rivers?

01 Jul 2016 - Using Puerto Rico's Luquillo Mountains as a case study, scientists use the region's geological history to study how knickpoints—areas...

Critical Zone Profile - Diego Barcellos

09 Jun 2016 - PhD Student, Soil Science, University of Georgia

Extreme Rainfall Doesn’t Always Mean Extreme Erosion, Penn Study Finds

10 May 2016 - A new study suggests suggest that the self-organization of bedrock river channels blunts the impact of extreme rainfall events.

Cross CZO Collaborator brings hydrogeophysical methods to the CZO

09 May 2016 - Luquillo CZO PI Xavier Comas, Professor of Geosciences at Florida Atlantic University, joined the Susquehanna Shale Hills CZO team along with...

Critical Zone Profile - JAIVIME EVARISTO (ecohydrologist, PhD student)

23 Mar 2016 - PhD student, Global Institute for Water Security, University of Saskatchewan

2015

Climate change research heats up tropical rain forest

08 Dec 2015 - El Yunque in Puerto Rico may provide answers in the battle against climate change

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...

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

15 Nov 2015 - Get a sense of the people and the work. Several members of the Luquillo CZO are profiled here, including students and professors.

Critical Zone Profile - ADAM WYMORE (freshwater ecologist, post-doctoral researcher)

15 Nov 2015 - Post-Doctoral Researcher, University of New Hampshire

Critical Zone Profile - JANE WILLENBRING (geomorphologist, Assistant Professor)

15 Nov 2015 - Assistant Professor of Earth and Environmental Science, University of Pennsylvania

Critical Zone Profile - WHENDEE SILVER (ecosystem ecologist, Professor)

15 Nov 2015 - Professor of Ecosystem Ecology and Biogeochemistry, Rudy Grah Chair of Forestry and Sustainability, University of California Berkeley

Wormholes may limit landslides

10 Nov 2015 - Scientific investigations sometimes take unexpected twists and turns. When Emma Harrison, a graduate student at the University of Pennsylvania,...

Pebbles on Mars Likely Traveled Tens of Miles Down a Riverbed, Penn Study Finds

14 Oct 2015 - Reconstructing the transport history of pebbles on Mars.

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.

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...

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

26 Jun 2015 - 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...

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.

Two LCZO PhD students report back from the University of Western Australia Summer School.

30 Mar 2015 - Two PhD students studying at the Luquillo Critical Zone Observatory Participated in this year’s University of Western Australia (UWA) Summer School.

Videos from 1-16-15 webinar are now available on youtube.

18 Feb 2015 - Presentations given during our 1-16-15 LCZO webinar are now available on youtube you can view them at the following links:    a....

Deep but not dead: how tropical subsoil microbes could affect the carbon cycle

29 Jan 2015 - Deep but not dead: how tropical subsoil microbes could affect the carbon cycle By Madeleine Stone, University of Pennsylvania It’s no exaggeration...

2014

Luquillo CZO at AGU

11 Dec 2014 - A number of posters and presentations related to work at the Luquillo-CZO will be at AGU From December 15th to December 19th.

World Changers 3.0

06 Nov 2014 - What does it take to change the world? Change it, that is, on a geologic scale that can withstand the rest of deep time? Meteoric impacts have...

Using a CZO network to explore the architecture, dynamics and evolution of the Critical Zone

03 Nov 2014 - The US CZO National Office has organized a webinar on December 8, 2014 at 11AM - 12:30 PM ET.

Videos of Presentations from October 3rd meeting available on Youtube

20 Oct 2014 - We had an LCZO All-Scientist webinar meeting on Friday October 3rd at 12 PM Eastern / Atlantic, 9 AM Pacific, 5 PM BST. Youtube videos are now...

Luquillo CZO posters from 2014 all hands meeting available on figshare

09 Oct 2014 - Three Luquillo CZO posters presented at the Southern Seirra CZO all hands meeting are now available on figshare.   Gadgets and Experimental...

Puerto Rican Parrot establishes first wild nesting cavity with fledglings in over 100 years

07 Oct 2014 - From Jafet Velez at the US Fish & Wildlife service   Captive management of the endangered Puerto Rican Amazon, is a collaborative effort...

A river runs through it: U.S. cities’ waterways show consistent patterns of evolution

12 Sep 2014 - Funded by the National Science Foundation, the Baltimore Ecosystem Study (BES) is a long-term and in-depth look at the many factors that affect...

Stream Monitoring During 2014 Hurricane Season in Puerto Rico

11 Sep 2014 - Below are presented some graphs and links to data of stream water monitoring during fthe 2014 hurricane season in Puerto Rico.

Report On: Stable Isotope (δ18O and δ2H) Data for Precipitation, Stream Water, and Groundwater in PR

25 Aug 2014 - Stable Isotope (δ18O and δ2H) Data for Precipitation, Stream Water, and Groundwater in Puerto Rico Stable isotope data can be used to...

Will Climate Change Hurt Tropical Rainforests? Scientists Study the Effects of Warming on PR

30 Jun 2014 - Did you know that there is a tropical rainforest in the United States?  It’s in Puerto Rico—the El Yunque National Forest—and...

Scientists at Penn Characterize ‘Hot Spots and Hot Moments’ in America’s Tropics

08 May 2014 - he Luquillo Mountains of Puerto Rico are prone to extremes. Nearly all the rain for the year pours down in two drenching months. Lush, rolling...

IITF 75th Anniversary Symposium

29 Apr 2014 - This year is the 75th anniversary of the International Institute of Tropical Forestry. Created in 1939, in cooperation with the University of Puerto...

2014 All Hands Meeting

24 Apr 2014 - Information for the 2014 All Hands Meeting for the CZO Network on 21-14 September, including registration information and abstract submission.

Call for Papers: Hydrochemistry and Biogeochemistry of Tropical Mountainous Rivers and Estuaries

16 Apr 2014 - Fluxes of organic and inorganic matter between land and the coastal ocean are important components of global biogeochemical cycles, including the...

Reactive Transport Modeling Survey – Community Needs for Biogeochemical Studies

08 Apr 2014 - Reactive Transport Modeling Survey – Community Needs for Biogeochemical Studies The below survey is designed by Alexis Navarre-Sitchler, Kate...

Powell Center working group to meet on Tropical Forest Responses to Global Warming

03 Apr 2014 - A Powell Center working group has been formed and will meet the week of April 26th at the John Wesley Powell Center for Analysis and...

“What’s so critical about the Critical Zone?” webinar

02 Apr 2014 - March 31, 2014. Dr. Enriqueta Barrera (NSF CZO program director) and Dr. Gordon Grant (USFS; CZO Steering Committee chairperson)

New Guidance for Permitting Issued by USDA Forest Service for Research in El Yunque National Forest

01 Apr 2014 - Most activities within El Yunque National Forest, outside of hiking and taking photos, will require a permit. New guidelines have been issued by the...

UNESCO IHP has issued a Monograph on the Science and Practice of Integrated River Basin Management

17 Jan 2014 - The report is the product  of the North American - UNESCO HELP workshop held at Portland State University,  Portland, Oregon, May 10 -12,...

2013

Geochemist’s workbench conference to be hosted at UPenn

27 Nov 2013 - For more information and to register please visit the workshops webpage http://www.gwb.com/Philadelphia2014.php The workshops will be presented by...

Stephen Porder publishes op-ed in The New York Times

25 Nov 2013 - A FEW years ago, one of my graduate students showed me a Google Earth image that changed my view of the world. On a photo showing all of South...

Career Opportunities: NSF Program Director, Hydrologic Sciences, Rotator; two (2)  Openings

12 Nov 2013 - The Division of Earth Sciences has two vacant rotator positions in the Hydrologic Sciences program of the Surface Earth Processes (SEP)...

Deep fractures in the Luquillo critical zone

12 Aug 2013 - The interfaces where intact bedrock weathers to disaggregated material, such as saprolite and soil, are often hidden deep within the critical zone...

Discoveries in the Critical Zone: Where Life meets Rock

11 Jul 2013 - The National Science Foundation's Cheryl Dybas recently finalized a new report entitled "Discoveries in the Critical Zone: Where Life meets...

Landscape Evolution and Nutrients in the Luquillo Critical Zone

18 Jun 2013 - Combining old-fashioned field work and the latest LiDAR images provides new insight into the evolution of the Luquillo Critical Zone.  Our...

Old Water from New Storms in Tropical Streams

31 May 2013 -  One persisting question in hydrology is how do catchments store ‘old’ water for long periods (months or even years), but then...

Sorting out the effects of storms on landscapes in Luquillo

24 May 2013 - {embed1} The slow erosion of mountains is driven by the cumulative effects of innumerable storms. There are few places more stormy than the Luquillo...

El Yunque, Majestic Rocky Icon of Puerto Rico: Impervious to the Ravages of Time?

01 Mar 2013 - El Yunque. It could be the name of an ancient chieftain. On the island of Puerto Rico, in a sense it is. El Yunque, Spanish for "the anvil," is a...

New Ceilometer installed at the Sabana field station

15 Feb 2013 -  A new ceilometer, used to measure cloud base altitude, has been installed in at the USFS Sabana field research station. This instrument when...

New data set on stream channel response to urbanization

17 Jan 2013 - A new data set on stream channel response to urbanization in the humid tropical region of NE Puerto Rico has been published on the LCZO data...

2012

CZO Presentations at 2012 AGU

03 Dec 2012 - A listing of more than 125 CZO-related presentations for the 2012 annual meeting of the AGU.

How fast is El Yunque Rock eroding?

19 Oct 2012 - El Yunque rock is a majestic, anvil shaped promontory that has been an icon of the island of Puerto Rico since pre-Columbian times.  The barren...

LCZO presentation available from the CUAHSI Cyber seminar series

10 Oct 2012 - F.N. Scatena recently gave a presentation about the LCZO for the CUAHSI Cyber seminar series. Click here to view this and other presntations! ...

New Ecosystem Services project looks at land use changes in the El Yunque region.

10 Oct 2012 - El Yunque National Forest, located in eastern Puerto Rico, provides a variety of ecosystem services—including clean air, water, and...

2011

Luquillo CZO at the AGU 2011 meeting in San Francisco

01 Oct 2011 - We will be giving presentations at the American Geophysical Union meeting in San Francisco, Dec 5-9

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