Presently, planning and assessment in maintenance, renewal and decision-making for watershed hydrology, water resource management and water quality assessment are evolving toward complex, spatially explicit regional environmental assessments. These problems have to be addressed with object-oriented spatio-temporal data models that can restore, manage, query and visualize various historic and updated basic information concerning with watershed hydrology, water resource management and water quality as well as compute and evaluate the watershed environmental conditions so as to provide online forecasting to police-makers and relevant authorities for supporting decision-making. The extensive data requirements and the difficult task of building input parameter files, however, has long been an obstacle to use of such complex models timely and effectively by resource managers. Success depends on an integrated approach that brings together scientific, education and training advances made across many individual disciplines and modified to fit the needs of the individuals and groups who must write, implement, evaluate, and adjust their watershed management plans. The centre for Hydro-science Research, Nanjing University, in cooperation with the relevant watershed management authorities, has developed a WebGIS management platform to facilitate this complex process. Improve the management of watersheds over the Huaihe basin through the development, promotion and use of a web-based, user-friendly, geospatial watershed management data and decision support system (WMDDSS) involved many difficulties for the development of this complicated System. In terms of the spatial and temporal characteristics of historic and currently available information on meteorological, hydrological, geographical, environmental and other relevant disciplines, we designed an object-oriented spatiotemporal data model that combines spatial, attribute and temporal information to implement the management system. Using this system, we can update, query and analyze environmental information as well as manage historical data, and a visualization tool was provided to help the user interpret results so as to provide scientific support for decision-making. The utility of the system has been demonstrated its values by being used in watershed management and environmental assessments.

/pdf/the-huaihe-basin-water-resource-and-water-quality-management-3h5vw9eo8y.pdf

The Huaihe Basin Water Resource and Water Quality Management Platform Implemented with a Spatio-Temporal Data Model

In 1998 a 260-kilometer stretch of the Loire River—and its adjoining parklands, vineyards, châteaux, churches, abbeys and prehistoric sites—from Sully-sur-Loire to Chalonnes, was nominated by the government of France as a World Heritage Site. Because of the enormity of the designated site, the newness of UNESCO’s ‘cultural landscape’ classification, and concerns about nuclear power generation along the river, this nomination stalled in the international committee. French officials turned to digital media as a way of explaining the merits of their nomination, and as an aid for coordinating multiple agencies’ efforts in plans for the region’s future.

/pdf/exploring-landscape-documenting-culture-constructing-memory-3lj1v919z1.pdf

Exploring Landscape, Documenting Culture, Constructing Memory: The Loire Valley Internet Workshop

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Exploring Landscape, Documenting Culture, Constructing Memory: The Loire Valley Internet Workshop