Filters: partyWithName: Pacific Islands CSC (X)
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Droughts in the Hawaiian Islands can enhance wildfire risk, diminish freshwater resources, and devastate threatened and endangered species on land and in nearshore ecosystems. During periods of drought, cloud-water interception, or fog drip (the process by which water droplets accumulate on the leaves and branches of plants and then drip to the ground) in Hawai‘i’s rain forests may play an important role in providing moisture for plants, reducing wildfire risk within the fog zone, and contributing to groundwater recharge (the process by which water moves downward from the surface through the ground to the groundwater table) that sustains water flow in streams during dry periods. Estimates of the changes in water...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2016,
CASC,
Completed,
Drought,
Drought,
Although tropical Pacific islands are generally perceived as having wet climates, they are vulnerable to periodic episodes of drought. This literature review strives to establish a base of information relating to such drought events in the U. S.- affiliated Pacific Islands (USAPI), a vast expanse of the oceanic Pacific larger than the North American continent, spanning five time zones and the International Date Line roughly between the southern Tropic of Capricorn across the equator to the northern Tropic of Cancer. The USAPI include the Territories of American Samoa and Guam, Commonwealth of the Northern Mariana Islands, and the Freely Associated States of the Republic of Palau, Federated States of Micronesia,...
Over the past century, Hawaiʻi has experienced a pronounced decline in precipitation and stream flow and a number of severe droughts. These changes can have wide-reaching implications, affecting the water supply, native vegetation and wildlife, wildfire patterns, and the spread of invasive species. Several climate-related factors are influencing Hawaiˈi’s landscapes and contributing to these changes. These include climate change, climate variability, and drought (referred to collectively as CCVD). Climate variability describes how the climate fluctuates on a yearly basis around average values, while climate change describes patterns of long-term continuous change in the average. While it is understood that CCVD...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2015,
CASC,
Completed,
Drought,
Drought,
As elevation increases, both temperature and moisture availability decrease. In many parts of the world, this decrease in temperature is a limiting factor for vegetation—at certain elevations, the temperature becomes too cold for plants to survive. However in the tropics, moisture availability may play a more important role than temperature in determining the altitude at which forests can grow. For example on Haleakalā, a volcano on the Hawaiian Island of Mauʻi, the forest line is not found at the same elevation everywhere, as you would expect if it were controlled by temperature. Rather, the forest line is highest in the wetter eastern-most end and lower on the drier, western end of the volcano. Research also...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2014,
CASC,
Completed,
Drought,
Drought,
The 37 islands of the Republic of the Marshall Islands (RMI) are low-lying atolls and islands, making the country extremely vulnerable to climate change impacts. The goal of this research was to provide easilyaccessible decision-making tools for managers, decision-makers and the public to assist in planning for agroforestry in the face of increasing drought and sea level rise (SLR). A team of researchers and climate change adaptation specialists from the RMI and the U.S. was responsible for the effort. Although the RMI is heavily reliant on imported food, local foods are still important in providing nutrients lacking in imported foods and has cultural importance. The role of plants in stabilizing shorelines is increasingly...
Categories: Publication;
Types: Citation;
Tags: Data Visualization & Tools,
Indigenous Peoples,
Landscapes,
Other Landscapes,
Pacific Islander Indigenous Communities,
This Project Snapshot provides a brief overview summary of the project "Measurement of El Niño Southern Oscillation (ENSO)-related Climate Conditions and Ecosystem Responses in Hawai'i"
On Hawai‘i’s mountains, cloud droplets, propelled by strong winds, are deposited on plants, where they accumulate and drip to the ground, adding water over and above that supplied by rainfall. Prior studies show that the amount of intercepted cloud water is substantial, and variable from place to place. Estimates of the spatial patterns of cloud water interception (CWI), the fog-related effects on plants, and the contributions of fog to groundwater recharge and surface water flows are needed to better understand the water cycle and predict effects of climate change on water supply and ecosystems. We will make measurements of fog, wind, fog interception, soil moisture, and fog effects on plant water use and plant...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2015,
CASC,
Completed,
Drought,
Drought,
The Republic of the Marshall Islands (RMI) is a nation of widely dispersed, low-lying coral atolls and islands, with over 100 square miles of land area scattered across 750,000 square miles of ocean. Average elevation for the RMI is approximately 7 feet above mean sea level, but many islands and atolls are much lower. As climate change causes sea level to rise and weather patterns to shift, the Marshall Islands are increasingly having to contend with flooding and drought that damages agriculture, homes, and infrastructure. Residents are increasingly making the difficult choice to leave their home islands in the hope of a more stable future, moving within the country to larger islands or to the United States where...
Categories: Publication;
Types: Citation;
Tags: Indigenous Peoples,
Pacific Islander Indigenous Communities,
Pacific Islands CASC
The Pacific Islands Climate Science Center (PI-CSC) was established in 2012 to address societal impacts of climate change and variability for Department of the Interior and other natural and cultural heritage managers, community planners, and Pacific Island communities in Hawaiʻi and the U.S.-Affiliated Pacific Islands (USAPI). The USAPI includes the Territory of American Samoa, Territory of Guam, Commonwealth of the Northern Mariana Islands, and the Freely Associated States of the Republic of the Marshall Islands, Federated States of Micronesia, and the Republic of Palau. The PI-CSC works with scientists and resource managers to provide climate change prediction and impact data, analysis, and translational products...
Increasing numbers of hazardous inundation events due to climate change is a serious threat to the culture, habitat, and infrastructure of the Hawaiian and U.S.-Affiliated Pacific Islands. The information currently available to stakeholders, however, is primarily confined to maximum or mean water level and does not include how often incursions are likely to occur. We propose to quantify the effect of local factors and Pacific climate variability on the frequency of inundation events in centers of population and infrastructure in Pacific island communities. We will produce seasonal outlooks that project the number of incursions above a given level at a particular site in 3-6 month windows. We choose seasonal outlooks,...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2015,
CASC,
Completed,
Drought, Fire and Extreme Weather,
Drought, Fire and Extreme Weather,
Agriculture and agroforestry (tree cultivation) are important activities for the Marshall Islands and other small islands to ensure food security and human health. The Marshallese have a long tradition of interplanting food-producing trees such as coconuts, breadfruit, and pandanus with bananas and root and vegetable crops. Locally grown food crops support community self-sufficiency, promote good nutrition, and can also serve as windbreaks and stabilize shorelines to lessen storm damage and erosion. However, climate change is posing serious challenges for growers, as they struggle to adapt to climate impacts including saltwater intrusion, changing precipitation and temperature patterns, and the spread of invasive...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2014,
CASC,
Completed,
Data Visualization & Tools,
Data Visualization & Tools,
The Department of the Interior Pacific Islands Climate Science Center (PI-CSC) supports adaptation in Hawai‘i and the US Affiliated Pacific Islands by producing new knowledge and tools through research, working with resource managers and community planners to incorporate environmental knowledge in adaptation decision making, and providing education and training to build capacity in resource managers and scientists. In the Pacific Islands region, over 500 endangered and other vulnerable species exist in a complex set of landscapes and seascapes. People, built environments, natural heritage, agriculture, and economies are interwoven in a patchwork compressed onto small land areas. Therefore, a holistic approach to...
Categories: Publication;
Types: Citation
This downloadable PDF research feature summarizes the Pacific Islands Climate Science Center-supported project "Climate Change Research in Support of Hawaiian Ecosystem Management: An Integrated Approach". The key goals of this project were 1) to understand how changes in the Earth’s future climate system will affect the frequency and severity of extreme weather events in Hawai`i, 2) to support studies of the ecological impacts of climate change on native Hawaiian plants and animals and 3) to provide information needed by natural resource managers charged with preserving native biodiversity.
As one of the lowest-lying island nation-states in the world, the Republic of the Marshall Islands (RMI) is acutely vulnerable to sea-level rise, flooding, and the associated intrusion of saltwater into crucial freshwater supplies. Persistent drought is further affecting agricultural production in the RMI. Many Marshallese communities are already experiencing these changes and are migrating to larger islands within the RMI and to other countries like the U.S. to, among other things, seek alternative means of making a living and access healthcare. The number of Marshallese residing in the U.S. has rapidly risen over the past two decades, from 7,000 in 2000 to 22,000 in 2010. There is also substantial internal migration,...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2016,
CASC,
Completed,
Indigenous Peoples,
Indigenous Peoples,
The Intergovernmental Panel on Climate Change reports that low-lying atolls (ring-shaped islands or island chains made of coral) in the Pacific Ocean are extremely vulnerable to high tide events (“king tides”), storm surge, tsunamis, and sea-level rise. The Republic of the Marshall Islands (RMI) spreads over 29 atolls and has a population of over 50,000 people with homes and communities that may be threatened by these climate change-related events. Policy makers, planners, and others within RMI are faced with decisions about how to prepare for the future and need scientific data and information about the vulnerability of Pacific Islands to potential climate change impacts like sea-level rise. Topographic and bathymetric...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2016,
CASC,
Completed,
Data Visualization & Tools,
Data Visualization & Tools,
Land, water, and natural resource managers and planners across Hawai’i are tasked with making important decisions about the state’s future. Reliable projections of Hawaiʻi's climate are needed to inform these decisions. This project aims to provide this needed scientific information to resource managers by improving estimates of Hawaiʻi’s near-term climate for the coming years and decades. The goal of this project is to develop very high-resolution climate projections for the Hawaiian Islands over the period from 2010 to 2039. This timeframe is novel. Most climate projections for Hawai’i are for the end of the century. In contrast, the timeframe of this study is “now”, which has intuitive relevance to resource...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2017,
CASC,
Completed,
Data Visualization & Tools,
Landscapes,
Climate change in Hawaiʻi is expected to result in increasing temperatures and varying precipitation through the twenty-first century. Already, high elevation areas have experienced rapidly increasing temperatures and there has been an increase in the frequency of drought across the Islands. These climatic changes could have significant impacts on Hawaiʻi’s plants and animals. Changes in temperature and moisture may make current habitat no longer suitable for some species, and could allow invasive species to spread into new areas. Hawaiʻi Volcanoes National Park is home to 23 species of endangered vascular plants and 15 species of endangered trees. Understanding how climate change may impact the park’s plants...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2014,
CASC,
Climate Change,
Completed,
Data Visualization & Tools,
The Republic of the Marshall Islands (RMI) spreads over 29 atolls and has a population of over 50,000 people; over 27,000 of those people live on the Majuro Atoll, RMI’s capital. Sea level rise threatens the very existence of RMI as high-end projections of sea level rise by the end of the century exceed the average elevation of these low atoll reef islands. Already, waves wash over Majuro during “king tides” when strong winds blow from the west across the broad lagoon, or when there are high open ocean waves. Flooding waves breach island shores in multiple locations and wash into homes, cemeteries, across roads, and into commercial districts. Over the past decade, there has been a widespread exodus of residents...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2016,
CASC,
Completed,
Data Visualization & Tools,
Data Visualization & Tools,
With an average elevation of just seven feet above sea level, the Republic of the Marshall Islands is acutely vulnerable to inundation from both episodic events such as storm surge and chronic conditions such as sea-level rise. Some projections estimate that future sea-level rise could exceed the average elevation of these islands by 2100. Already, residents are facing extreme high tides and 16 foot swells that flood the islands with saltwater, damaging homes and infrastructure and contaminating the freshwater supply. Land elevation is the primary factor that determines the vulnerability of coastal areas to inundation. This project builds on previous work in which a 1-meter resolution digital elevation model (DEM)...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2017,
CASC,
Completed,
Data Visualization & Tools,
Data Visualization & Tools,
Abstract (from http://climatechangeresponses.biomedcentral.com/articles/10.1186/s40665-016-0015-2): Background Detailed assessments of species responses to climate change are uncommon, owing to the limited nature of most ecological and local climate data sets. Exceptions, such as the case of the Haleakalā silversword, can provide important insights into the complexity of biological responses to changing climate conditions. We present a time series of decadal population censuses, combined with a pair of early population projections, which together span the past 80 years of demographic history for this alpine plant. Results The time series suggests a strong population recovery from the 1930s through the 1980s, likely...
Categories: Publication;
Types: Citation;
Tags: Climate Change,
Haleakalā silversword,
Pacific Islands CASC,
Plants,
Rainfall,
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