Ryan Boynton
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View article: Phenological Shifts Since 1830 in 29 Native Plant Species of California and Their Responses to Historical Climate Change
Phenological Shifts Since 1830 in 29 Native Plant Species of California and Their Responses to Historical Climate Change Open
Climate change is affecting Mediterranean climate regions, such as California. Retrospective phenological studies are a useful tool to track biological response to these impacts through the use of herbarium-preserved specimens. We used dat…
View article: Characterizing Soil and Bedrock Water Use of Native California Vegetation
Characterizing Soil and Bedrock Water Use of Native California Vegetation Open
The effective characterization of landscape water balance components—evapotranspiration, runoff, recharge, and soil storage—is critical for understanding the integrated effects of the water balance on vegetation dynamics, water availabilit…
View article: Will there be water? Climate change, housing needs, and future water demand in California
Will there be water? Climate change, housing needs, and future water demand in California Open
Climate change in California is expected to alter future water availability, impacting water supplies needed to support future housing growth and agriculture demand. In groundwater-dependent regions like California's Central Coast, new lan…
View article: The Contribution of Microrefugia to Landscape Thermal Inertia for Climate‐Adaptive Conservation Strategies
The Contribution of Microrefugia to Landscape Thermal Inertia for Climate‐Adaptive Conservation Strategies Open
Current temperatures in microrefugia may persist longer than in nearby areas as temperatures warm. However, locating and measuring the contribution of microrefugia to thermal inertia in a landscape is challenging. We measured the thermal b…
View article: Selecting the optimal fine-scale historical climate data for assessing current and future hydrological conditions
Selecting the optimal fine-scale historical climate data for assessing current and future hydrological conditions Open
High-resolution historical climate grids are readily available and frequently used as inputs for a wide range of regional management and risk assessments including water supply, ecological processes, and as baseline for climate change impa…
View article: Detection of drought‐induced blue oak mortality in the Sierra Nevada Mountains, California
Detection of drought‐induced blue oak mortality in the Sierra Nevada Mountains, California Open
From 2011 to 2016, California experienced a millennial‐intensity drought, generating high levels of tree mortality. Remote sensing has been used to monitor the long‐term impacts of drought; however, discriminating dead from live trees in a…
View article: 2020 Critical update to Caltrans wildfire vulnerability analysis
2020 Critical update to Caltrans wildfire vulnerability analysis Open
The data and materials presented here support a research project conducted by UC Davis in support of Caltrans, a transportation agency that is conducting a wildfire vulnerability risk assessment for fuels reduction in the right of Way (ROW…
View article: 2020 Critical Update to Caltrans Wildfire Vulnerability Analysis
2020 Critical Update to Caltrans Wildfire Vulnerability Analysis Open
Author(s): Thorne, James H.; Boynton, Ryan M.; Hollander, Allan D.; Whitney, Jason P.; Shapiro, Kristen D. | Abstract: Catastrophic wildfires over the past five years (2015-2020) have caused damage to the Caltrans road network in 81 separa…
View article: Open space networks can guide urban renewal in a megacity
Open space networks can guide urban renewal in a megacity Open
As human populations move into cities they are increasingly isolated from the natural world, with associated negative impacts on health and well-being. However, as cities renew themselves through urban redevelopment and climate-adaptation,…
View article: Vegetation refugia can inform climate‐adaptive land management under global warming
Vegetation refugia can inform climate‐adaptive land management under global warming Open
Natural resource managers need information about the risks associated with climate change to provide guidance on where to implement various management practices on natural lands. The spatial variation of projected impacts within a vegetati…
View article: Central Coast Greenprint 2016
Central Coast Greenprint 2016 Open
Hexagonal framework: There are many datasets that can go into a regional greenprint. In order for them to be used most effectively, they need to be organized in a manner that allows queries across the data. A regular hexagonal grid shapefi…
View article: The impact of climate change uncertainty on California's vegetation and adaptation management
The impact of climate change uncertainty on California's vegetation and adaptation management Open
The impacts of different emission levels and climate change conditions to landscape‐scale natural vegetation could have large repercussions for ecosystem services and environmental health. We forecast the risk‐reduction benefits to natural…
View article: A Framework for Effective Use of Hydroclimate Models in Climate-Change Adaptation Planning for Managed Habitats with Limited Hydrologic Response Data
A Framework for Effective Use of Hydroclimate Models in Climate-Change Adaptation Planning for Managed Habitats with Limited Hydrologic Response Data Open
Climate-change adaptation planning for managed wetlands is challenging under uncertain futures when the impact of historic climate variability on wetland response is unquantified. We assessed vulnerability of Modoc National Wildlife Refuge…
View article: Biomass, Carbon Sequestration, and Avoided Emissions: Assessing the Role of Urban Trees in California
Biomass, Carbon Sequestration, and Avoided Emissions: Assessing the Role of Urban Trees in California Open
This report represents a collaborative effort between the Information Center for the Environment, Department of Environmental Science and Policy, University of California, Davis (UCD-ICE); the Urban Ecosystems and Social Dynamics Program, …
View article: 2015 Mitigation Needs Assessment for Transportation Projects for the Sacramento Valley Pilot Project for Regional Advance Mitigation Planning
2015 Mitigation Needs Assessment for Transportation Projects for the Sacramento Valley Pilot Project for Regional Advance Mitigation Planning Open
This report documents an assessment of the potential environmental impacts of transportation projects under development by Caltrans for a study area. The report is an update of a previous study, overseen by the by the Regional Advance Miti…
View article: The magnitude and spatial patterns of historical and future hydrologic change in California's watersheds
The magnitude and spatial patterns of historical and future hydrologic change in California's watersheds Open
Process‐based models that link climate and hydrology permit improved assessments of climate change impacts among watersheds. We used the Basin Characterization Model (BCM), a regional water balance model to (1) ask what is the magnitude of…