Fall 2018 |
Vargas, Korik |
NATURAL RESRCES: MS |
Developing Spectral Metrics as Early Indicators of Water Stress Detection at the Canopy Level |
Asbjornsen, Heidi |
Spring 2018 |
McIntire, Cameron |
NRESS:ENSTUDIES: PHD |
Impacts and Management of Foliar Pathogens of Eastern White Pine (Pinus strobus) in the Northeastern United States |
Asbjornsen, Heidi |
Spring 2018 |
Madison, Conor |
NATURAL RESRCES: MS |
The photosynthesis-foliar nitrogen relationship in deciduous and evergreen forests in New Hampshire |
Ollinger, Scott |
Winter 2018 |
Horruitiner, Christopher |
EARTH SCIENCES: MS |
Assessing the Impact of Submerged Vegetation on Methane Dynamics in a Discontinuous Permafrost Lake System, Abisko, Sweden |
Varner, Ruth |
Winter 2017 |
Ouimette, Andrew |
NATURAL RESRCES: PHD |
Patterns and Drivers of Carbon Fluxes in Temperate Forests |
Ollinger, Scott |
Winter 2017 |
Perryman, Clarice |
EARTH SCIENCES: MS |
Illuminating Geochemical Controls of Methane Oxidation Across a Gradient of Permafrost Thaw |
Varner, Ruth |
Fall 2016 |
Lazarcik, James |
EARTH SCIENCES: MS |
Major Fraction of Black Carbon Is Flushed From New Hampshire Seasonal Snowpack Early in Melt |
Dibb, Jack |
Spring 2016 |
Grogan, Danielle |
NRESS:ENSCIENCE: PHD |
Global and regional assessments of unsustainable groundwater use in irrigated agriculture |
Frolking, Stephen |
Winter 2016 |
Huang, Tao |
NATURAL RESRCES: MS |
Fecal indicator bacteria removal by river networks |
Wollheim, Wilfred |
Spring 2015 |
Pellissier, Paul |
NATURAL RESRCES: MS |
Remote Sensing of Foliar Nitrogen in Cultivated Grasslands of Human Dominated Landscapes |
Ollinger, Scott |
Winter 2015 |
Fisk, Justin |
NRESS:ENSCIENCE: PHD |
Net Effects of Disturbance: Spatial, Temporal, and Societal Dimensions of Forest Disturbance and Recovery on Terrestrial Carbon Balance |
Hurtt, George |
Winter 2014 |
Roddy, Samantha |
EARTH SCIENCES: MS |
Vegetation Influences on the Ebullition of Methane in a Temperate Wetland |
Varner, Ruth |
Fall 2014 |
Treat, Claire |
NRESS:ENSCIENCE: PHD |
Effects of climate change on carbon and nitrogen cycling in permafrost soils of Alaska |
Wollheim, Wilfred |
Fall 2013 |
Gagnon, Michael |
NREN:FORESTRY: MS |
A comparative study of reflectance spectral indices and digital camera imagery to quantify in-vivo foliar chlorophyll concentration in common New England forest species |
Rock, Barrett |
Fall 2013 |
Carlson, Martha |
NRESS:ENSTUDIES: PHD |
Monitoring the health of sugar maple, Acer saccharum |
Rock, Barrett |
Fall 2013 |
Kurnianto, Sofyan |
EARTH SCIENCES: MS |
Modeling long-term carbon accumulation of tropical peat swamp forest ecosystems |
Frolking, Stephen |
Fall 2013 |
Burakowski, Elizabeth |
NRESS:ENSCIENCE: PHD |
Winter climate impacts of historical deforestation in New England |
Wake, Cameron |
Spring 2013 |
Vadeboncoeur, Matthew |
NRESS:ENSCIENCE: PHD |
Mechanisms of nutrient limitation and nutrient acquisition in managed and unmanaged forest ecosystems |
Hobbie, Erik |
Fall 2012 |
Steele, Kaitlyn |
EARTH SCI GEOCHEM SYSTEMS : MS |
Hydrogen dynamics in soil in northern boreal and subarctic Sweden |
Varner, Ruth |
Spring 2012 |
Meacham, Sam |
NATURAL RESRCES: MS |
Using Landsat 5 TM Data to Identify and Map Areas of Mangrove in Tulum, Quintana Roo, Mexico |
Rock, Barry |
Winter 2011 |
Del Bon Espirito-Santo, Fernando |
NRESS:ENSCIENCE: PHD |
Detection of Mortality in Tropical Forests Using Remote Sensing: From Treefall Gaps to Large Disturbances |
Keller, Michael |
Winter 2011 |
Davis, Shannon |
NRESS:ENSCIENCE: PHD |
Marine atmospheric influences on trace gas observations and transport during the ICARTT 2004 campaign |
Talbot, Robert |
Winter 2011 |
Lai, Tzu-Ling |
NRESS:ENSCIENCE: PHD |
Occurrence of major ozone episodes and their time-series trends over the past decade in New England |
Talbot, Robert |
Fall 2011 |
Sullivan, Franklin |
NREN:FORESTRY: MS |
Interrelations among leaf and canopy nitrogen, optical and structural traits |
Ollinger, Scott |
Fall 2011 |
Noyce, Genevieve |
EARTH SCIENCES: MS |
Effect of Carex rostrata removal on methane emissions from a temperate peatland |
Varner, Ruth |
Spring 2011 |
Green, Ashley |
NATURAL RESRCES: MS |
Herbage mass accumulation in an intensive rotational grazing system at UNH's Organic Dairy Research Facility |
Aber, John |
Fall 2010 |
Treat, Claire |
EARTH SCIENCES: MS |
Modeling permafrost stability in peatlands with climate change and disturbance |
Frolking, Stephen |
Winter 2010 |
Kim, Su Youn |
NRESS:ENSCIENCE: PHD |
Continental outflow of polluted air from the US to the North Atlantic and mercury chemical cycling in various atmospheric environments |
Talbot, Robert |
Winter 2010 |
MacLean, Richard |
NATURAL RESRCES: MS |
Abiotic immobilization of nitrate in forest soil: A double level approach |
Ollinger, Scott |
Fall 2010 |
Goodrich, Jordan |
EARTH SCIENCES: MS |
Identifying temporal patterns and controlling factors in methane ebullition at Sallie's Fen, a temperate peatland site, using automated chambers |
Varner, Ruth |
Fall 2010 |
Shamhart, Julee |
NATURAL RESRCES: MS |
Isotopic analysis of arctic ground squirrel tissues and potential food sources |
Hobbie, Erik |
Fall 2010 |
Wicklein, Haley |
NATURAL RESRCES: MS |
Variation in foliar nitrogen and albedo in response to nitrogen fertilization and elevated carbon dioxide |
Ollinger, Scott |
Fall 2010 |
Cate, Erica |
NREN:FORESTRY: MS |
A feasibility study: Forest carbon stocks and stock change of the White Mountain National Forest |
Ollinger, Scott |
Spring 2010 |
Tardie, Peter |
NRESS:ENSTUDIES: PHD |
Land development in Massachusetts: Its effect on the environment within Essex and Middlesex counties from 1990 to 2007 |
Rock, Barrett |
Spring 2010 |
Ambrose, Jesse |
CHEMISTRY: PHD |
Volatile organic compounds in the New England troposphere: Atmospheric chemistry and measurement techniques |
Sive, Barkley |
Spring 2010 |
Trubetskova, Irina |
NRESS:ENSTUDIES: PHD |
From biosphere to noosphere: Vladimir Vernadsky's theoretical system as a conceptual framework for universal sustainability education |
Rock, Barrett |
Fall 2009 |
Conway, Leanna |
CHEMISTRY: MS |
Design and construction of a chemical ionization mass spectrometer for ambient nitryl chloride analysis |
Sive, Barkley |
Fall 2009 |
Stewart, Robert |
EARTH SCI HYDRL: MS |
Separation of river network scale nitrogen removal among main channel and two transient storage compartments |
Wollheim, Wilfred |
Fall 2009 |
Luxford, Jeffrey |
EARTH SCIENCES: MS |
Evaluating the performance of model-derived wind forecasts at Summit, Greenland during the summer of 2008 |
Dibb, Jack |
Fall 2009 |
Lindgren, Erica |
NATURAL RESRCES: MS |
Extrapolating hyperspectral anthocyanin indices to multispectral satellite sensors---applications to fall foliage in New England |
Rock, Barrett |
Fall 2009 |
Carlson, Martha |
NATURAL RESRCES: MS |
An assessment of stress in Acer saccharum as a possible response to climate change |
Rock, Barrett |
Winter 2009 |
Cleveland, Meredith |
EARTH SCIENCES: MS |
Analysis of organic aerosol in Houston, TX, through aerosol mass spectrometry and proton nuclear magnetic resonance spectroscopy |
Griffin, Robert |
Winter 2009 |
Ziemba, Luke |
NRESS:ENSCIENCE: PHD |
Ambient measurements of chemical and physical properties of organic aerosols: Insights into formation, growth, and heterogeneous chemistry |
Griffin, Robert |
2009 |
Dickerman, Erica |
NATURAL RESRCES: MS |
|
Rock, Barrett |
Fall 2009 |
Sawyer, Virginia |
EARTH SCIENCES: MS |
Height of the planetary boundary layer during ICEALOT 2008 |
Varner, Ruth |
Spring 2009 |
Place, Philip |
EARTH SCIENCES: MS |
Observations of nucleation-mode particle events and characterization of organic atmospheric particulate matter at a rural New England site |
Griffin, Robert |
Spring 2009 |
Hegarty, Jennifer |
NRESS:ENSCIENCE: PHD |
Synoptic controls on ozone over the northeastern US and continental export |
Mao, Huiting |
Spring 2009 |
Russo, Rachel |
NRESS:ENSCIENCE: PHD |
Temporal variation, regional sources, and removal processes of volatile organic compounds in New England |
Sive, Barkley |
Spring 2009 |
Scheuer, Eric |
EARTH SCIENCES: MS |
Observations of Arctic haze from the NCAR C-130 during TOPSE(2000) and evidence of nitric acid uptake and redistribution by cirrus clouds during TC4(2007) obtained from the NASA DC-8 |
Talbot, Robert |
Winter 2008 |
Kessler, Will |
NATURAL RESRCES: MS |
Spectral effects of a calcium amendment on red spruce foliage at laboratory and stand scale |
Rock, Barrett |
Winter 2008 |
Spierre, Susan |
EARTH SCIENCES: MS |
Extreme precipitation trends in New England |
Wake, Cameron |
Fall 2008 |
Berger, Kathryn |
NATURAL RESRCES: MS |
Evaluation and improvement of model algorithms for predicting belowground carbon allocation in forests |
Ollinger, Scott |
Fall 2008 |
White-Jeanneau, Marguerite |
NRESS:ENSCIENCE: PHD |
Sources and sinks of selected trace gases in the tropospheric boundary layer of the eastern United States |
Sive, Barkley |
Fall 2008 |
Thouin, Joseph |
EARTH SCI HYDRL: MS |
The biogeochemical influences of nitrate, dissolved oxygen, and dissolved organic carbon on stream nitrate uptake |
Vorosmarty, Charles |
Spring 2008 |
Cai, Xuyi |
NRESS:ENSCIENCE: PHD |
Secondary organic aerosol formation of relevance to the marine boundary layer |
Griffin, Robert |
Winter 2007 |
Burakowski, Elizabeth |
EARTH SCIENCES: MS |
Trends in wintertime climate variability in the northeastern United States |
Wake, Cameron |
Spring 2007 |
Phillips, Stephen |
EARTH SCIENCES: MS |
High frequency measurements of soil carbon dioxide flux at Harvard Forest |
Frolking, Stephen |
Fall 2007 |
Anderson, Casey |
EARTH SCIENCES: MS |
Measurements of gas-phase and particle-phase water-soluble organic carbon |
Dibb, Jack |
Fall 2007 |
Chen, Jianjun |
NRESS:ENSCIENCE: PHD |
Modeling secondary organic aerosol formation from biogenic hydrocarbons |
Griffin, Robert |
Fall 2007 |
Thomas, Robert |
NREN:ENVIR CONS: MS |
Consequences of fine-scale heterogeneity on predictions of the carbon cycle using lidar data and a height-structured ecosystem model |
Hurtt, George |
Winter 2006 |
Hagen, Stephen |
NRESS:ENSCIENCE: PHD |
Linking multivariate observations of the land surface to vegetation properties and ecosystem processes |
Frolking, Stephen |
Winter 2006 |
Palace, Michael |
NRESS:ENSCIENCE: PHD |
Tropical forest structure: Ground measurements of coarse necromass and satellite observations of crown geometry |
Hurtt, George |
Winter 2006 |
Rawlins, Michael |
NRESS:ENSCIENCE: PHD |
Characterization of the spatial and temporal variability in pan-Arctic, terrestrial hydrology |
Vorosmarty, Charles |
Winter 2006 |
Lambert, Thomas |
EARTH SCIENCES: MS |
The effect of air pollution and time spent outdoors on pulmonary function in a diverse New England population |
Wake, Cameron |
Spring 2006 |
Zhang, Qingyuan |
NRESS:ENSTUDIES: PHD |
Improving estimation of gross primary productivity of terrestrial ecosystems |
Xiao, Xiangming |
Fall 2006 |
Schilz, Mariya |
NATURAL RESRCES: MS |
Understanding changes in aboveground biomass and height with elevation at Hubbard Brook Experimental Forest |
Hurtt, George |
Fall 2006 |
Anderson, Jeanne |
NRESS:ENSCIENCE: PHD |
Remote detection of forest structure in the White Mountains of New Hampshire: An integration of waveform lidar and hyperspectral remote sensing data |
Martin, Mary |
Fall 2006 |
Frappier, Amy |
NRESS:ENSCIENCE: PHD |
Recent extreme events in a tropical stalagmite: Multi-proxy records and analysis of ecosystem delta carbon-13 value sensitivity to weak climate forcing |
Sahagian, Dork |
Fall 2006 |
Zhou, Yong |
NRESS:ENSCIENCE: PHD |
Atmospheric volatile organic compound measurements: Distributions and effects on air quality in coastal marine, rural and remote continental environments |
Sive, Barkley |
Fall 2006 |
Sallade (Silverberg), Sarah |
NATURAL RESRCES: MS |
Patterns and processes of soil carbon dynamics in a northeastern United States forest |
Ollinger, Scott |
Fall 2006 |
Dolan, Katelyn |
NRESS:ENSTUDIES: MS |
Using ICESAT's geoscience laser altimeter system to assess large scale forest disturbance caused by Hurricane Katrina |
Hurtt, George |
2005 |
Lloyd, Kirsten |
NREN:SOIL SCI: MS |
The relationship between fine root chemistry and foliar chemistry among northeastern U.S. tree species |
Ollinger, Scott |
2005 |
Huntley, Ryan |
NREN:FORESTRY: MS |
Characterizing Vegetation Associated with Cenotes in Quintana Roo, Mexico Using Remote Sensing and Field Methods |
Rock, Barrett |
Fall 2005 |
Bowley (Lopes), Evilene |
NRESS:ENSTUDIES: PHD |
Wood and soil-atmosphere carbon dioxide fluxes from a tropical forest ecosystem |
Crill, Patrick |
2005 |
Girod, Carolyn |
NREN:ENVIR CONS: MS |
Evaluating United States Carbon and Fire Management Strategies Though Ecosystem Models |
Hurtt, George |
Fall 2005 |
Yalcin, Kaplan |
NRESS:ENSCIENCE: PHD |
Glaciochemical records from the Saint Elias Mountains, Yukon, Canada |
Wake, Cameron |
2005 |
Voisin, Daniel |
EARTH SCIENCES: MS |
|
Dibb, Jack |
2005 |
Fischer, Emily |
EARTH SCIENCES: MS |
|
Talbot, Robert |
Spring 2005 |
Wollheim, Wilfred M |
EARTH SCIENCES: PHD |
The controls of watershed nutrient export |
Vorosmarty, Charles |
|
Ingraham, Peter |
NATURAL RESRCES: MS |
|
Martin, Mary |
Fall 2004 |
Pontius, Jennifer |
NRESS:ENSCIENCE: PHD |
Assessing hemlock woolly adelgid induced decline and susceptibility using hyperspectral technologies |
Hallett, Richard |
Fall 2004 |
Cardoso, Manoel |
NRESS:ENSCIENCE: PHD |
Fire dynamics in Amazonia |
Hurtt, George |
2004 |
Ericson, Jason |
EARTH SCI HYDRL: MS |
|
Vorosmarty, Charles |
2004 |
Irons, Zackary |
EARTH SCIENCES: MS |
|
Wake, Cameron |
Fall 2004 |
Pellerin, Brian |
NRESS:ENSTUDIES: PHD |
The influence of urbanization on runoff generation and stream chemistry in Massachusetts watersheds |
Vorosmarty, Charles |
|
Eldredge, Edward |
NRESS:ENSTUDIES: PHD |
|
Crill, Patrick |
Winter 2003 |
Miller, Samuel |
EARTH SCIENCES: PHD |
The central New England sea breeze study |
Keim, Barry |
Spring 2002 |
Bryant, David |
NRESS:ENSCIENCE: PHD |
Community and ecosystem analysis of forests recovering from landslide disturbance: White Mountain National Forest, New Hampshire |
Aber, John |
2002 |
Debell, Linsey |
EARTH SCIENCES: MS |
|
Talbot, Robert |
2002 |
Wilson, Adam |
EARTH SCIENCES: MS |
|
Wake, Cameron |
Winter 2002 |
Slater, John |
EARTH SCIENCES: PHD |
Characterization of the physical, chemical, and optical properties of atmospheric aerosol particles in New Hampshire |
Dibb, Jack |
Spring 2002 |
Burnett, James |
NATURAL RESRCES: PHD |
Assessing ice storm damage to hardwood forest canopies using the Advanced Solid-State Array Spectroradiometer (ASAS) and Landsat TM imagery |
Rock, Barrett |
Spring 2002 |
Loomis, Matthew |
EARTH SCIENCES: PHD |
Physical and chemical characterization of single atmospheric aerosols: Laboratory studies of interactions of acidic trace gases with sea -salt aerosols, and, Development efforts for an aerosol charging system using a corona discharge |
Talbot, Robert |
|
O'Grady, Kevin |
EARTH SCIENCES: MS |
|
Von Damm, Karen |
Winter 2001 |
Bray, Alison |
EARTH SCIENCES: PHD |
The geochemistry of boron and lithium in mid -ocean ridge hydrothermal vent fluids |
Von Damm, Karen |
Spring 2001 |
Salas, William |
NATURAL RESRCES: PHD |
Optical and radar remote sensing of land use and land cover change in the tropics: An assessment of deforestation and secondary vegetation |
Aber, John |
Spring 2001 |
Fekete, Balazs |
EARTH SCIENCES: PHD |
Spatial distribution of global runoff and its storage in river channels |
Vorosmarty, Charles |
Winter 2000 |
Sherman, Benjamin H |
NATURAL RESRCES: PHD |
Disturbance indicators for time series reconstruction and marine ecosystem health impact assessment |
Sahagian, Dork |
Fall 2000 |
Campbell (Entcheva), Petya |
NATURAL RESRCES: PHD |
Remote sensing of forest damage in the Czech Republic using hyperspectral methods |
Rock, Barrett |
Spring 2000 |
Ollinger, Scott |
NATURAL RESRCES: PHD |
Carbon and nitrogen dynamics of northeastern United States forests in response to environmental stress: Measurements and models at local to regional scales |
Aber, John |
Spring 2000 |
Smith, Marie-Louise |
NATURAL RESRCES: PHD |
Landscape-scale prediction of forest productivity by hyperspectral remote sensing of canopy nitrogen |
Aber, John |
Spring 2000 |
Varner, Ruth K |
EARTH SCIENCES: PHD |
Biogeochemical cycling of methyl bromide in soils |
Crill, Patrick |
Spring 2000 |
Weitz, Antje M |
NATURAL RESRCES: PHD |
Soil hydraulic controls over nitrogen oxide emissions and nitrogen cycling in tropical agriculture |
Crill, Patrick |
Winter 1999 |
Jordan, Carolyn E |
EARTH SCIENCES: PHD |
Atmospheric transport and deposition of water -soluble nitrogen to the Gulf of Maine |
Talbot, Robert |
Spring 1999 |
Goodale, Christine |
NATURAL RESRCES: PHD |
The long-term effects of disturbance on nitrogen cycling and loss in the White Mountains, New Hampshire |
Aber, John |
Spring 1999 |
Zdanowicz, Christian |
EARTH SCIENCES: PHD |
Paleoclimatic significance of insoluble microparticle records from Canadian Arctic and Greenland ice cores |
Zielinski, Greg |
Winter 1998 |
Shrestha, Arun |
EARTH SCIENCES: PHD |
Physical and chemical climate in the Nepal Himalaya |
Wake, Cameron |
Spring 1998 |
Jenkins, Jennifer |
NATURAL RESRCES: PHD |
Measuring and modeling northeastern forest ecosystem response to environmental stresses |
Aber, John |
Spring 1998 |
Moosavi, Sadredin |
EARTH SCIENCES: PHD |
Controls on CH(4) emissions from boreal and arctic wetlands |
Crill, Patrick |
Spring 1998 |
Kreutz, Karl |
EARTH SCIENCES: PHD |
Ice core glaciochemical records of late holocene climatic variability in West Antarctica |
Mayewski, Paul |
Winter 1997 |
Lefer, Barry |
EARTH SCIENCES: PHD |
The chemistry and dry deposition of atmospheric nitrogen at a rural site in the northeastern United States |
Talbot, Robert |
Fall 1997 |
Shipham, Mark |
EARTH SCIENCES: PHD |
An analysis of high frequency methane measurements in central New England |
Harriss, Robert |
Spring 1997 |
Sharma, Keshav |
EARTH SCIENCES: PHD |
Impact of land-use and climatic changes on hydrology of the Himalayan Basin: A case study of the Kosi Basin |
Moore, Berrien |
Winter 1996 |
Braswell, Bobby |
EARTH SCIENCES: PHD |
Global terrestrial biogeochemistry: Perturbations, interactions, and time scales |
Moore, Berrien |
Fall 1996 |
Sanchez-Azofeifa, Arturo |
EARTH SCIENCES: PHD |
Assessing land use/cover change in Costa Rica |
Harriss, Robert |
Spring 1996 |
Yang, Qinzhao |
EARTH SCIENCES: PHD |
Snow and ice chemistry study of the Greenland ice sheet |
Mayewski, Paul |
Fall 1995 |
Czepiel, Peter |
EARTH SCIENCES: PHD |
Radiatively active trace gas emissions from waste management systems |
Harriss, Robert |
Spring 1995 |
Currie, William |
NATURAL RESRCES: PHD |
Forest floor leachate biogeochemistry and decomposition dynamics |
Aber, John |
Winter 1994 |
Theisen, Arnold |
NATURAL RESRCES: PHD |
Steady-state natural fluorescence |
Rock, Barrett |
Fall 1994 |
Hendricks, Joseph |
NATURAL RESRCES: PHD |
Assessing the effects of nitrogen availability on fine root turnover and tissue chemistry in forest ecosystems |
Aber, John |
Fall 1994 |
Martin, Mary |
NATURAL RESRCES: PHD |
Measurements of foliar chemistry using laboratory and airborne high spectral resolution visible and infrared data |
Aber, John |
Fall 1994 |
Nobre, Antonio |
EARTH SCIENCES: PHD |
Nitrous oxide emissions from tropical soils |
Harriss, Robert |
Fall 1994 |
Norris, Gregory |
NATURAL RESRCES: PHD |
Energy conservation potential uncertainty analysis |
Harriss, Robert |
Spring 1994 |
Bensel, Terrence |
NATURAL RESRCES: PHD |
Biomass fuel supply and utilization in the cities of the developing world: A case study of Cebu City, Philippines |
Harriss, Robert |
Winter 1993 |
Frolking, Stephen |
EARTH SCIENCES: PHD |
Modeling soil climate controls on the exchange of trace gases between the terrestrial biosphere and the atmosphere |
Harriss, Robert |
Spring 1993 |
Wake, Cameron |
EARTH SCIENCES: PHD |
The spatial distribution of snow and aerosol chemistry in the mountains of central Asia |
Mayewski, Paul |
Winter 1992 |
Skole, David |
NATURAL RESRCES: PHD |
Measurement of deforestation in the Brazilian Amazon using satellite remote sensing |
Aber, John |
Winter 1992 |
de Mello, William |
EARTH SCIENCES: PHD |
Factors controlling fluxes of volatile sulfur compounds in Sphagnum peatlands |
Hines, Mark |
Spring 1991 |
McNulty, Steven |
NATURAL RESRCES: PHD |
Nutrient cycling in New England spruce-fir forests |
Aber, John |
Spring 1991 |
Vorosmarty, Charles |
ENGINEERING: PHD |
Models of macro-scale hydrology for use in global change research: Tests on two tropical river systems |
Moore, Berrien |