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<p>I am a developer for <ahref="https://github.com/RHESSys/RHESSys" target="_blank">RHESSys</a>, a process-based ecohydrologic model designed to simulate water, vegetation, nutrient, and fire processes. I also design and create tools to make modeling with RHESSys more user friendly, including the R package <ahref="https://github.com/RHESSys/RHESSysIOinR" target="_blank">RHESSysIOinR</a>.</p>
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<p>I am a developer for <ahref="http://rhessys.github.io">RHESSys</a>, a process-based ecohydrologic model designed to simulate water, vegetation, nutrient, and fire processes. I also design and create tools to make modeling with RHESSys more user friendly, including the R package <ahref="https://github.com/RHESSys/RHESSysIOinR">RHESSysIOinR</a>.</p>
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<p>If you are interested in learning more about how to use RHESSys, I am writing a book about how to install, setup, and run simulations using the model:</p>
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<ul>
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<li><ahref="https://ryanrbart.com/rhessys_book">Ecohydrological Modeling with RHESSys</a></li>
<p>The Bart Ecohydrology Lab is based in the <ahref="https://snri.ucmerced.edu/"target="_blank">Sierra Nevada Research Institute</a> at the <ahref="https://www.ucmerced.edu/" target="_blank">University of California, Merced</a>. Ecohydrology is the study of how hydrological and ecological systems interact. Ecohydrology is important because water availability and vegetation growth are tightly coupled, particularly in water-limited environments such as California. Changes to the ecohydrologic functioning of a watershed has implications for forest health, carbon sequestration, water resources, and fire risk.</p>
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<p>The Bart Ecohydrology Lab is based in the <ahref="https://snri.ucmerced.edu/">Sierra Nevada Research Institute</a> at the <ahref="https://www.ucmerced.edu/">University of California, Merced</a>. Ecohydrology is the study of how hydrological and ecological systems interact. Ecohydrology is important because water availability and vegetation growth are tightly coupled, particularly in water-limited environments such as California. Changes to the ecohydrologic functioning of a watershed has implications for forest health, carbon sequestration, water resources, and fire risk.</p>
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<p>Research in the lab is used to advance scientific understanding, generate decision-support tools, and to inform policy. While the lab’s research is frequently based in the Sierra Nevada and California, we have research projects throughout North America and the world. We use a mix of tools, including biophysical models, statistical models, and remote sensing.</p>
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<p>Research in the lab focuses on three broad domains.</p>
<h2class="anchored" data-anchor-id="ecohydrology-and-disturbances">Ecohydrology and Disturbances</h2>
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<p><imgsrc="img/photo_reyfire_vertical_plume.jpg" class="img-fluid" style="float: right;" alt="Wildfire plume from Rey Fire in Santa Barbara County"></p>
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<p>Disturbances alter ecohydrologic functioning, affecting both the amount of vegetation on a landscape, but also the water availability that vegetation as well as human communities. Further, the time period for when these systems are altered can range from less than a year to decades.</p>
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<p>CARB work. What management is necessary to balance (optimize) carbon sequestration, water resources, and reduce fire risk?</p>
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<p>These can be more specific topics (research questions?) within the broad domains. (shorten these names)</p>
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<ul>
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<li>Evaluating trade-offs between future ecological benefits such as water, carbon, fire risk, and fire emissions associated with forest management.<br>
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</li>
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<li>Understand why changes in vegetation structure, such as those produced from fuel treatments or wildfire, affect streamflow in some watersheds and under some conditions, but not others.</li>
<h2class="anchored" data-anchor-id="ecohydrology-and-climate-change">Ecohydrology and Climate Change</h2>
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<p>Climate change is already altering water, vegetation, and wildfire on our natural lands. An increasing percentage of precipitation in our mountains falls as rain instead of snow, shifting the timing of streamflow. Higher temperatures are increasing vegetation water stress, making forests more vulnerable to drought. Higher temperatures are also decreasing fuel moisture, making our natural lands easier to burn.</p>
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<p>Because climate change alters water, vegetation, and fire; predicting the effects of climate change can get complicated. - Often requires a systems approach and processed based modeling, since the recent past doesn’t provide…</p>
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<p>requires understanding the interactions between the processes.</p>
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<p>The effects of climate change on vegetation</p>
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<p>An example of the type of climate-change related research questions we investigate in the lab include:</p>
<li>How does climate-induced changes in drought and wildfire lead to changes in vegetation composition/structure and what are the implication of these changes on watershed hydrology?</li>
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"text": "The Bart Ecohydrology Lab is based in the Sierra Nevada Research Institute at the University of California, Merced. Ecohydrology is the study of how hydrological and ecological systems interact. Ecohydrology is important because water availability and vegetation growth are tightly coupled, particularly in water-limited environments such as California. Changes to the ecohydrologic functioning of a watershed has implications for forest health, carbon sequestration, water resources, and fire risk.\nResearch in the lab is used to advance scientific understanding, generate decision-support tools, and to inform policy. While the lab’s research is frequently based in the Sierra Nevada and California, we have research projects throughout North America and the world. We use a mix of tools, including biophysical models, statistical models, and remote sensing.\nResearch in the lab focuses on three broad domains.\n\nEcoinformatics\nEcoinformatics is the science of using computational tools and data analysis to investigate ecological systems. We use ecoinformatics to generate novel approaches for investigating water, carbon, and nutrient fluxes.\n\nEcohydrology and Disturbance\nEcosystem disturbances come in many types, including wildfire, bark beetles, drought, and forest management. We examine how disturbances alter ecohydrologic functioning, ranging from vegetation resilience to water supply for human communities.\n\nEcohydrology and Climate Change\nClimate change affects many ecohydrologic processes, altering functioning in ways that are not always obvious and sometimes counterintuitive. We are interested in predicting the effects of climate change and understanding how management actions can be used to mitigate its worse consequences."
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"text": "The Bart Ecohydrology Lab is based in the Sierra Nevada Research Institute at the University of California, Merced. Ecohydrology is the study of how hydrological and ecological systems interact. Ecohydrology is important because water availability and vegetation growth are tightly coupled, particularly in water-limited environments such as California. Changes to the ecohydrologic functioning of a watershed has implications for forest health, carbon sequestration, water resources, and fire risk.\nResearch in the lab is used to advance scientific understanding, generate decision-support tools, and to inform policy. While the lab’s research is frequently based in the Sierra Nevada and California, we have research projects throughout North America and the world. We use a mix of tools, including biophysical models, statistical models, and remote sensing.\nResearch in the lab focuses on three broad domains."
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"href": "research.html#ecoinformatics",
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"title": "Research",
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"section": "Ecoinformatics",
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"text": "Ecoinformatics\nGeneral point about ecoinformatics. Improve the RHESSys model.\nGeneral points about RHESSys, similar to text on RHESSys webpage.\nR packages in development.\nBook\nPapers that improve functionality of RHESSys.\nFigures of RHESSys?"
"text": "Ecohydrology and Disturbances\n\nDisturbances alter ecohydrologic functioning, affecting both the amount of vegetation on a landscape, but also the water availability that vegetation as well as human communities. Further, the time period for when these systems are altered can range from less than a year to decades.\nCARB work. What management is necessary to balance (optimize) carbon sequestration, water resources, and reduce fire risk?\nThese can be more specific topics (research questions?) within the broad domains. (shorten these names)\n\nEvaluating trade-offs between future ecological benefits such as water, carbon, fire risk, and fire emissions associated with forest management.\n\nUnderstand why changes in vegetation structure, such as those produced from fuel treatments or wildfire, affect streamflow in some watersheds and under some conditions, but not others."
"text": "Ecohydrology and Climate Change\nClimate change is already altering water, vegetation, and wildfire on our natural lands. An increasing percentage of precipitation in our mountains falls as rain instead of snow, shifting the timing of streamflow. Higher temperatures are increasing vegetation water stress, making forests more vulnerable to drought. Higher temperatures are also decreasing fuel moisture, making our natural lands easier to burn.\nBecause climate change alters water, vegetation, and fire; predicting the effects of climate change can get complicated. - Often requires a systems approach and processed based modeling, since the recent past doesn’t provide…\nrequires understanding the interactions between the processes.\nThe effects of climate change on vegetation\nAn example of the type of climate-change related research questions we investigate in the lab include:\n\nResearch Questions:\n\nHow does climate-induced changes in drought and wildfire lead to changes in vegetation composition/structure and what are the implication of these changes on watershed hydrology?"
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