Water Chemistry is one of more than 16 discipline tags that we use to categorize and aggregate our interdisciplinary information within and across CZOs. Much of our information has been tagged with 2-3 disciplines.
Eastern Puerto Rico - Stream Water Chemistry, Stream Ecology - Data and R scripts (2009-2014)
1 components • Northeastern Puerto Rico and the Luquillo Mountains • Biogeochemistry, Water Chemistry • William H. McDowell; William G. McDowell; Jody Potter; Alonso Ramírez; Miguel Leon
Bisley - Overland Water Chemistry, Nutrient Fluxes, Rainfall Chemistry, Throughfall Chemistry - Includes Weekly Rainfall flux (1988-2002)
2 components • Bisley • Water Chemistry • Scatena, F.N.; IITF; Heartsil-Scalley
Bisley - Overland Water Chemistry, Nutrient Fluxes, Throughfall Chemistry, Rainfall Chemistry - Including weekly bulk rain chemistry (1988-2007)
1 components • Bisley • Water Chemistry • Scatena, F.N.; IITF; Heartsil-Scalley
Bisley, Mameyes - Stream Water Chemistry (1986-2012)
2 components • Bisley, Rio Mameyes • Water Chemistry • A. Argerich; S.L. Johnson; S.D. Sebestyen; C.C. Rhoades; E. Greathouse; P.M. Wohlgemuth; F.N. Scatena; W.H. McDowell; G.E. Likens; J.D. Knoepp; J.B. Jones; G.G. Ice; J.L. Campbell; D.M. Amatya; M.B. Adams
El Verde, Icacos, Espiritu Santo, and Bisley - Stream Water Chemistry, Streamflow / Discharge, Air Temperature, Stream Water Temperatures (2014-2019)
8 components • Northeastern Puerto Rico and the Luquillo Mountains • Biology / Ecology, Hydrology, Water Chemistry • Bill McDowell
Icacos and Quebrada Sonadora - Streamflow / Discharge, Stream Suspended Sediment, Electrical Conductivity - Hysteresis Analysis (2016-2017)
2 components • Rio Icacos, Quebrada Sonadora • Water Chemistry, Hydrology • Adam Wymore, Miguel C Leon, James B Shanley, William H McDowell
Icacos/Blanco watersheds - Groundwater Chemistry, Groundwater Depth (2014-2016)
7 components • Rio Blanco • Hydrology, Water Chemistry • Bill McDowell; Rich Brereton
National - Stream Water Chemistry - Cations, Anions, Metals (1982-2015)
1 components • Bisley, Betasso, East Peak, Marshall Gulch (High-Elevation), Providence Creek Subcatchment P301, Providence Creek Subcatchment P303, Providence Creek Subcatchment P304, Eel River Watershed, Puente Roto, Rio Blanco, Rio Icacos, Susquehanna Shale Hills Critical Zone Observatory • Biogeochemistry, Biology / Ecology, Hydrology, Water Chemistry • Kim Hyojin; Jim Bishop; William Dietrich; Inez Fung; William H. McDowell; Susan L. Brantley; Beth Hoagland; Pamela L. Sullivan; Molly Cain; Andrew Neal; Jessica Fisher; Tess Russo; Niwot Ridge LTER; Fengjing Liu; Jon Chorover; Peter Troch; Jennifer McIntosh; Paul Brooks; Nate Abramson; Ingo Heidbüchel; Mary Key Amistadi; Shawn Alexander Pedron; Jon Chorover; Peter Troch; Paul Brooks; Mary Key Amistadi; Timothy Corley; Xavier Zapata-Rios; Mark Losleben; Katherine Condon; Shawn Alexander Pedron
Puerto Rico - Stable Isotopes - Stable Isotope (δ18O and δ2H) Data (1994-2013)
8 components • Northeastern Puerto Rico and the Luquillo Mountains, Rio Icacos, East Peak, Rio Mameyes • Hydrology, Water Chemistry, Climatology / Meteorology • Martha A. Scholl; Angel Torres-Sanchez; Manuel Rosario-Torres
Rio Mameyes and Rio Icacos - Stream Suspended Sediment, Streamflow / Discharge, Stream Water Chemistry (2015)
3 components • Rio Mameyes, Rio Icacos • Hydrology, Water Chemistry, Biogeochemistry, Geochemistry / Mineralogy • Kathryn Clark; Bill McDowell; James Shanley; Nicolas Perdrial; Martha Scholl
Hysteretic response of solutes and turbidity at the event scale across forested tropical montane watersheds. Wymore, A., Leon M.C., Shanley J.B. McDowell W.H. (2019): Frontiers in Earth Science Biogeoscience
Hydrologic Control of Catchment-Scale Dissolved Organic Carbon (DOC) Dynamics. Hang Wen*, Li Li, Julia N Perdrial, Benjamin Abbott, Thomas Adler, Susana Bernal, Remi Dupas, Sarah Godsey, Rebecca L Hale, Adrian Harpold, Donna M Rizzo, Gary Sterle, Kristen Underwood (2018): Abstract H13J-1880 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14 Dec Cross-CZO
Reassessing the dissolved molybdenum isotopic composition of ocean inputs: The effect of chemical weathering and groundwater. King, E.K. and Pett-Ridge, J.C. (2018): Geology 46 (11): 955-958 Cross-CZO National
Concentration-Discharge Relations in the Critical Zone: Implications for Resolving Critical Zone Structure, Function and Evolution. Chorover, J., Derry, L. A., McDowell, W. H. (2017): Water Resources Research 53(11): 8654–8659 Cross-CZO National
Tropical river suspended sediment and solute dynamics in storms during an extreme drought. Clark, K.E., Shanley, J.B., Scholl, M.A., Perdrial, N., Perdrial, J.N., Plante, A.F., McDowell W.H. (2017): Water Resources Research
AGU Chapman Conference on Extreme Climate Event Impacts on Aquatic Biogeochemical Cycles and Fluxes. Inamdar, A. McDowell W.H., Shanley J.B., Minor E., Park, J. (2017): https://sites.google.com/a/udel.edu/chapmanece/home
Conference Program - AGU Chapman Conference on Extreme Climate Event Impacts on Aquatic Biogeochemical Cycles and Fluxes. Inamdar, S., McDowell W.H., Shanley J. B., Minor E., Park J. (2017): AGU Chapman Conference, San Juan, PR 2017 Cross-CZO National
Geochemical evolution of the Critical Zone across variable time scales informs concentration-discharge relationships: Jemez River Basin Critical Zone Observatory. McIntosh J.C., Schaumberg C., Perdrial J., Harpold A., Vázquez-Ortega A., Rasmussen C., Vinson D., Zapata-Rios X., Brooks P.D., Meixner T., Pelletier J., Derry L., Chorover J. (2017): Water Resources Research 53(5): 4169–4196 Cross-CZO National
Controls on deep critical zone architecture: a historical review and four testable hypotheses. Riebe, C. S., Hahm, W. J., Brantley, S. L. (2017): Earth Surface Processes and Landforms, 42 (1): 128–156 Cross-CZO National
Critical zone structure controls concentration-discharge relationships and solute generation in forested tropical montane watersheds. Wymore, A.; Brereton, R. L.; Ibarra, D. E.; Maher, K.; McDowell, W. H. (2017): Water Resources Research 53, 6279–6295 Cross-CZO National
Limited uptake of nutrient input from sewage effluent in a tropical landscape. Figueroa-Nieves D., McDowell, W.H., Potter, J.D., Martínez, G. (2016): Freshwater Science
Variation of organic matter quantity and quality in streams at Critical Zone Observatory watersheds. Miller, Matthew P., Boyer, Elizabeth W., McKnight, Diane M., Brown, Michael G., Gabor, Rachel S., Hunsaker, Carolyn T., Iavorivska, Lidiia, Inamdar, Shreeram, Johnson, Dale W., Kaplan, Louis A., Lin, Henry, McDowell, William H., Perdrial, Julia N. (2016): Water Resources Research, 52 (10): 8202–8216 Cross-CZO
Impact of long-range transported African dust on cloud water chemistry at a tropical montane cloud forest in northeastern Puerto Rico. Valle-Díaz, C.J., E. Torres-Delgado, S.M. Colón-Santos, T. Lee, J.L. Collett Jr., W.H. McDowell, and O.L. Mayol-Bracero (2016): Aerosol and Air Quality Research
Optimizing watershed flux estimates: the R package ‘loadflex’ . Appling A.P., Leon M.C., McDowell W.H. (2015): Society for Fresh Water Science
Reducing bias and quantifying uncertainty in watershed flux estimates: The R package loadflex . Appling A.P., Leon M.C., McDowell W.H. (2015): Ecosphere
Stable-isotope and solute-chemistry approaches to flow characterization in a forested tropical watershed, Luquillo Mountains, Puerto Rico. Scholl, M.A., Shanley, J.B., Murphy, S.F., Willenbring, J.K., Occhi, M., and González, G. (2015): Appl. Geochem.
Identifying the Sources of Dissolved Organic Matter in Streams Using Elemental Analysis Isotopic Ratio Mass Spectroscopy (EA-IRMS) Across a Land Use Gradient. Adam Wymore,K arsten Kalbitz, Michelle Daley, Lauren Koenig,Shannen Miller,William McDowell (2014): AGU Fall Meeting. San Fransisco, CA
The impacts of urbanization on dissolved organic and inorganic carbon fluxes in a tropical watershed (oral presentation). Koenig, L.E., A. Ramirez, and W.H. McDowell (2014): Joint Aquatic Sciences Meeting 2014 Portland, Oregon.
Improving automated phosphorus measurements in freshwater: an analytical approach to eliminating silica interference. Koenig, L.E., A.J. Baumann, and W.H. McDowell (2014): Limnology and Oceanography: Methods. Limnology and Oceanography: Methods
Long-term N dynamics in a tropical forest: Observations, inferences, and unanswered questions. McDowell, W. H. (2014): USGS National Headquarters Reston, VA. USGS National Headquarters Reston, VA
NEON and STREON: opportunities and challenges for the aquatic sciences. McDowell, W.H. (2014): Freshwater Science
Separate effects of flooding and anaerobiosis on soil greenhouse gas emissions and redox sensitive biogeochemistry. McNicol, G. and W. L. Silver (2014): JGR-Biogeosciences.
Composite Method; Report from LiDAR workshop; CZO Cyber Meeting at Stroud . Miguel Leon (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR
Modeling Tropical Forests: Challenges and Opportunities. Sasha Reed, Maria Uriarte, Tana Wood, Molly Cavaleri (2014): AGU Fall Meeting. San Fransisco, CA
New high precision approach for measuring 15N–N2 gas fluxes from terrestrial ecosystems. Yang, W. H., W. C. McDowell, P. D. Brooks, and W. L. Silver (2014): Soil Biology and Biochemistry
2013 (In Press)
Spatial variation of dissolved weathering products nutrients, and carbon in a rapidly weathering tropical watershed, Luquillo Mountains, Puerto Rico. Brereton, R.L. (2013): GSA Annual Meeting, Denver, CO , 27-30 October, 2013
EVALUATION OF SHALLOW FLOW PATHWAYS AND RELATIVE CONTRIBUTIONS TO SOLUTE FLUXES IN A TROPICAL SMALL MOUNTAINOUS RIVER: LUQUILLO, PUERTO RICO. Goldsmith, S.T., Porder, S., Kurtz, A. (2013): GSA, Annual meeting 2013
2013 (In Press)
Evaluation of shallow flow pathways and relative contributions to solute fluxes in a tropical small mountainous river: Luquillo, Puerto Rico . Goldsmith, S.T., Porder, S., Kurtz, A., and Takagi, K. (2013): Geological Society of America Abstracts with Programs. 45 (7), 216
Solute-specific scaling of inorganic nitrogen and phosphorus uptake in streams. Hall, R. O., Jr., M. A. Baker, E. J. Rosi-Marshall, J. L. Tank, and J. D. Newbold (2013): Biogeosciences 10:7323-7331 Cross-CZO
The Architecture of Deep Weathering at Two CZOs: Groundwater, Regolith, and Solutes at Susquehanna Shale Hills and Luquillo Experimental Forest . HYNEK, Scott A., ORLANDO, Joseph J., SULLIVAN, Pamela, and BRANTLEY, Susan L. (2013): GSA Annual Meeting Cross-CZO
RESISTANCE, RESILIENCE, AND VARIABILITY IN TROPICAL STREAM CHEMISTRY: IMPLICATIONS FOR WATERSHED FUNCTION AND BIOGEOCHEMICAL THEORY. McDowell, W.H. (2012): Geological Society of America Abstracts with Programs. Vol. 44, No. 7, p.504
Effects of chronic nitrogen additions on above- and belowground carbon dynamics in two tropical forests. Cusack, D. F., Silver, W. L., and McDowell, W. H. (2011): Biogeochemistry
Germanium-silicon as a flow path tracer: Application to the Rio Icacos watershed. Kurtz A.C., Lugolobi F., Salvucci G. (2011): Water Resources Research
Long-term patterns and short-term dynamics of stream solutes and suspended sediment in a rapidly weathering tropical watershed. Shanley, J.B., McDowell, W.H., Stallard, R.F. (2011): Water Resource Research, 47 W07515
A spheroidal weathering model coupling porewater chemistry to soil thicknesses during steady-state denudation. Fletcher, R.C., Buss, H.L., Brantley S.L. (2006): Earth and Planetary Science Letters
Erosional and climatic effects on long-term chemical weathering rates in granitic landscapes spanning diverse climate regimes. Riebe, C.S., Kirchner, J.W., Finkel, R.C. (2004): Earth and Planetary Science Letters
Soil phosphorus fractionation during forest development on landslide scars in the Luquillo Mountains, Puerto Rico. Frizano, F., Johnson, A.H., Vann, D.R., Scatena, F.N. (2002): Biotropica
Chemical weathering in a tropical watershed, Luquillo Mountains, Puerto Rico III: Quartz dissolution rates. Schulz, M.S., White, A.F. (1999): Geochimica Et Cosmochimica Acta
10 Apr 2018 - Two Luquillo CZO researchers have been named SAVI International Scholars Program recipients, Emma Harrison from the University of...
30 Oct 2017 - Water Resources Research published a new special collection in September 2017 featuring concentration-discharge research from multiple CZOs.
11 Sep 2014 - Below are presented some graphs and links to data of stream water monitoring during fthe 2014 hurricane season in Puerto Rico.
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...
31 May 2013 - One persisting question in hydrology is how do catchments store ‘old’ water for long periods (months or even years), but then...
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! ...
10 Oct 2012 - New FDOM fluorescent dissolved organic matter (proxy for dissolved organic carbon) and Turbidity sensor has been installed on the Icacos. Check...
10 Oct 2012 - Visit the new Water Resources of Puerto Rico website! this includes data page, articles, technical reports, references to other pages on the...
Making Sense of Sensors: Stream Carbon Flux Determination at the Five USGS WEBB Watersheds
Moscone West 2006.
Spatial variation of dissolved weather products nutrients, and carbon in a rapidly weathering tropical watershed, Luquillo Mountains, Puerto Rico.
GSA: Session No. 81 Colorado Convention Center: Room 504..
Long-term climatic and topographic controls on sedminent export in the Luquillo Critical Zone Observatory
GSA: Session No. 81 Colorado Convention Center: Room 504.