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Palau buildings (from PALARIS) with elevation data (extracted from USGS DEM)
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The Pacific Ocean is home to a number of low-lying, coastal national parks and wildlife refuges. These public lands are situated on coral reef-lined islands that are susceptible to inundation from sea-level rise and flooding during storms. Because of their low-lying nature and limited availability of space, ecosystems, cultural resources, and infrastructure on these islands are particularly vulnerable to flooding. Sea-level rise will further exacerbate the impact of storms on island parks and refuges by increasing wave-driven coastal flooding, with consequences for ecological and human communities alike. However, most assessments of future conditions at coastal national parks and refuges consider only permanent...
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A sensitivity analysis of groundwater-recharge estimates from a water-budget model was completed for the islands of Oahu and Maui, Hawaii (Johnson and others, 2023). Results of the sensitivity analysis were used to quantify the relative importance of selected model parameters to recharge estimates for three moisture zones (dry, mesic, and wet) on Oahu and Maui. These shapefiles contain the boundaries of the moisture zones and boundaries of the model subareas that were used in the model simulations for Oahu and Maui. Attributes in the shapefiles include the names of the land-cover types assigned to model subareas and the mean annual recharge values determined for the model subareas for the baseline scenario of the...
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Streams delineated to model potential annual sediment transport and yield. Only areas with high flow accumulation values were included to model streams that are likely permanent.
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Infrastructure layer of sewage pumps in Palau (from PALARIS) with elevation data (from USGS 10-m DEM)
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To examine Palau residents’ reliance on reef fish, we reviewed published peer-reviewed literature, non-governmental organizations’ surveys, and unpublished data from a survey conducted by this project’s team. Volume of reef fish caught, consumed, and bartered at periurban, urban, and rural states was compared to the area of reefs within state waters to calculate fishing pressure. Data on fish residential consumption was triangulated and synthesized across data sources, including PIs Oleson and Lewis’ unpublished data from a resident survey conducted in 2018, an SPC dataset of fisher households conducted in 2018, and peer-reviewed literature.
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Points where surface water collects and enters coastal waters
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Moloka‘i has great wetland restoration potential in Hawaiʻi, but most remaining sites are highly degraded. The future of several endangered waterbirds and insects relies on restoring coastal wetland habitat that is resilient under sea-level rise and coastal flooding. Currently, managers lack background data on Molokaʻi to prioritize sites for restoration. In this project, Researchers will develop a comprehensive dataset and create a prioritization plan for coastal wetland restoration. The team will work closely with project partners and stakeholders to develop a well-vetted plan to support endangered species and meeting community needs. Existing maps and spatial data about the Molokaʻi landscape will be compiled...
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The Hawaiian Islands are both biologically and ecologically diverse. To better manage and understand this diverse landscape, detailed, reliable projections of future changes in climate are needed by Hawaiʻi resource managers, such as land managers, conservation organizations, and decision makers. Global climate models (or “general circulation models”) produce projections at regional or global scales, however, they are of limited value for managers of small island resources. Currently, large scale projections are commonly “downscaled” to project future climate variations and conditions at the local scale. However, dynamical downscaling models produce huge output datasets that are often difficult to access and use...
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These spatial data layers form the bases for the Governance Vulnerability Analysis which is incorporated into the project's Story Map which integrates resident consumption, spatial and climate vulnerability, and governance analysis, with research findings discussed at the end. Ridge-to-reef for coastal food security in Palau StoryMap: https://uhm.maps.arcgis.com/apps/Cascade/index.html?appid=5eb69132599942479a1b958c7977a970
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Catchments for the island of Babeldaob, Palau. Data from Povak et al. (2020) and calculations with sediment yield per catchment added for this project.
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Actionable science has evolved rapidly over the last decade, and the Climate Adaptation Science Center (CASC) network has established itself as a leader in the field. The practice of actionable science is generally described as user-focused, action-oriented science that addresses pressing real-world climate adaptation challenges. It is also sometimes referred to as usable science, translational ecology, and coproduction. Successfully carrying out actionable science projects requires a range of skills, mindsets, and techniques in addition to scientific knowledge. Those skills can include mutual learning with stakeholders, attention to social and political context, iterative creative problem-solving, and interdisciplinary...
    map background search result map search result map The Impact of Climate Change and Sea-Level Rise on Future Flooding of Coastal Parks and Refuges in Hawaiʻi and the U.S. Affiliated Pacific Islands A Prioritization Plan for Coastal Wetland Restoration on Moloka‘i Building Capacity for Actionable and Interdisciplinary Science Across the Climate Adaptation Science Center Network Making Regional Climate Model Outputs for Hawaiʻi More Accessible to a Diverse User Community Spatial Data Layers for Ridge-to-Reef Governance Vulnerability Analysis in Palau Compiled Resident Survey Data on Fish Consumption Habits Buildings with Elevation in Babeldaob, Palau Catchments in Babeldaob, Palau Delineated stream networks in Babeldaob, Palau Coastal outflow points in Babeldaob, Palau Sewage pumps potentially impacted by sea level rise in Babeldaob, Palau Model subareas and moisture zones used in a sensitivity analysis of a water-budget model completed in 2022 for the islands of Oahu and Maui, Hawaii Sewage pumps potentially impacted by sea level rise in Babeldaob, Palau Compiled Resident Survey Data on Fish Consumption Habits Buildings with Elevation in Babeldaob, Palau Catchments in Babeldaob, Palau Delineated stream networks in Babeldaob, Palau Coastal outflow points in Babeldaob, Palau Spatial Data Layers for Ridge-to-Reef Governance Vulnerability Analysis in Palau A Prioritization Plan for Coastal Wetland Restoration on Moloka‘i Model subareas and moisture zones used in a sensitivity analysis of a water-budget model completed in 2022 for the islands of Oahu and Maui, Hawaii Making Regional Climate Model Outputs for Hawaiʻi More Accessible to a Diverse User Community The Impact of Climate Change and Sea-Level Rise on Future Flooding of Coastal Parks and Refuges in Hawaiʻi and the U.S. Affiliated Pacific Islands Building Capacity for Actionable and Interdisciplinary Science Across the Climate Adaptation Science Center Network