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The Visibility Information Exchange Web System (VIEWS) is an online system designed
to acquire, manage, and provide access to data and metadata related to visibility and air
quality, and to support the efforts of the five Regional Planning Organizations (RPOs) to
meet the requirements of the Environmental Protection Agency’s Regional Haze Rule.
The Rule calls for state and federal agencies to work together to improve visibility in 156
national parks and wilderness areas and requires states and other interested parties to
develop and implement air quality protection plans to reduce the pollution that causes
visibility impairment. The primary purpose of VIEWS is to aid the RPOs in the analysis
and interpretation of air quality data to satisfy the Regional Haze regulations. The
IMPROVE dataset has regulatory significance under the Regional Haze Rule, and
VIEWS provides access to custom IMPROVE data products designed to assist states in
compliance with the Rule. VIEWS makes these and a variety of supporting datasets
available via a web-based interface that includes ad-hoc query and custom display tools.
Supporting datasets include FRM, STN, CASTNet, and a variety of aerosol, optical and
meteorological data. We itemize the datasets currently available in VIEWS and list those
on the RPO’s wish list for inclusion into the system. Examples of how the IMPROVE
and supporting datasets can be used to better understand visibility reduction in protected
areas are shown using VIEWS analysis tools. Available tools include descriptive
charting capabilities, back trajectory analysis, and a GIS based metadata browser. We
briefly describe the fully developed database behind VIEWS that is customized to
provide web access to air quality data and facilitate the import and quality control of new
datasets. Hands on demonstrations of VIEWS and instruction on data access and new
data visualization tools will be available.
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CNumber:
Perspectives on Haze: Causes, Consequences, Controversies Visibility Spec Conf: 10/25/2004
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Publication Type:
Proceedings
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Publication Date:
October 2004
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