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"Geodatabases"
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GIS for surface water : using the national hydrography dataset
GIS for Surface Water: Using the National Hydrography Dataset, enables scientists, managers, and students to analyze the vital surface waters of the United States by combining the ready-to-use powers of a comprehensive database of the nation's waters and the ArcGIS platform for geographic data analysis and mapping-- Provided by publisher.
Book
Geoinformatics : cyberinfrastructure for the solid Earth sciences
Advanced information technology infrastructure is increasingly being employed in the Earth sciences to provide researchers with efficient access to massive central databases and to integrate diversely formatted information from a variety of sources. These geoinformatics initiatives enable manipulation, modeling and visualization of data in a consistent way, and are helping to develop integrated Earth models at various scales, and from the near surface to the deep interior. This book uses a series of case studies to demonstrate computer and database use across the geosciences. Chapters are thematically grouped into sections that cover data collection and management; modeling and community computational codes; visualization and data representation; knowledge management and data integration; and web services and scientific workflows. Geoinformatics is a fascinating and accessible introduction to this emerging field for readers across the solid Earth sciences and an invaluable reference for researchers interested in initiating new cyberinfrastructure projects of their own.
Book
A database for depicting Arctic sea ice variations back to 1850
Arctic sea ice data from a variety of historical sources have been synthesized into a database extending back to 1850 with monthly time-resolution. The synthesis procedure includes interpolation to a uniform grid and an analog-based estimation of ice concentrations in areas of no data. The consolidated database shows that there is no precedent as far back as 1850 for the 21
st
century's minimum ice extent of sea ice on the pan-Arctic scale. A regional-scale exception to this statement is the Bering Sea. The rate of retreat since the 1990s is also unprecedented and especially large in the Beaufort and Chukchi Seas. Decadal and multidecadal variations have occurred in some regions, but their magnitudes are smaller than that of the recent ice loss. Interannual variability is prominent in all regions and will pose a challenge to sea ice prediction efforts.
Journal Article
Computation and visualization for understanding dynamics in geographic domains : a research agenda
This book synthesizes key ideas and issues discussed during the University Consortium for Geographic Information Science workshop. This text gives an overview of the state of research and how this research relates to intelligence analysis. It integrates suggestions from UCGIS workshop participants with literature reviews to propose new research agendas and recommendations for future developments and collaboration.--[book cover].
Book
Things we can do now that we could not do before: Developing and using a cross-scalar, state-wide database to support geomorphologically-informed river management
A fundamental premise of river management is that practitioners understand the resource they are working with. In river management this requires that baseline information is available on the structure, function, health and trajectory of rivers. Such information provides the basis to contextualise, to plan, to be proactive, to prioritise, to set visions, to set goals and to undertake objective, pragmatic, transparent and evidence-based decision making. In this paper we present the State-wide NSW River Styles database, the largest and most comprehensive dataset of geomorphic river type, condition and recovery potential available in Australia. The database is an Open Access product covering over 216,600 km of stream length in an area of 802,000 km 2 . The availability of the database presents unprecedented opportunities to systematically consider river management issues at local, catchment, regional and state-wide scales, and appropriately contextualise applications in relation to programs at other scales (e.g. internationally)–something that cannot be achieved independent from, or without, such a database. We present summary findings from the database and demonstrate through use of examples how the database has been used in geomorphologically-informed river management. We also provide a cautionary note on the limitations of the database and expert advice on lessons learnt during its development to aid others who are undertaking similar analyses.
Journal Article
Using geodata & geolocation in the social sciences : mapping our connected world
Covering context, concepts, and theories, as well as the practice of how to capture and visualise geodata, this text introduces readers to the Geoweb and how best to incorporate location-based data into research.
Book
New Zealand environmental data stack (NZEnvDS) : a standardised collection of spatial layers for environmental modelling and site characterisation
Describes the New Zealand Environmental Data Stack (NZEnvDS), a comprehensive set of 72 environmental layers quantifying spatial patterns of climate, soil, topography and terrain, as well as geographical distance at 100 m resolution, covering New Zealand’s three main islands and surrounding inshore islands Source: National Library of New Zealand Te Puna Matauranga o Aotearoa, licensed by the Department of Internal Affairs for re-use under the Creative Commons Attribution 3.0 New Zealand Licence.
Journal Article