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Enhancing Interdisciplinary Data Access: Integrating WaterML into ESMF for Atmospheric Datasets

This project outlines the integration of a WaterML metadata package into the Earth System Modeling Framework (ESMF) to facilitate the effective export of atmospheric time series datasets in the Water Markup Language (WaterML) XML format. It addresses the need for interdisciplinary collaboration among hydrology, climate, and atmospheric science by enabling standardized data representation. Utilizing the Hydrologic Information System (HIS) and the Consortium of Universities for the Advancement of Hydrologic Science (CUAHSI), this integration aims to improve the accessibility and interoperability of hydrologic data across diverse sources.

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Enhancing Interdisciplinary Data Access: Integrating WaterML into ESMF for Atmospheric Datasets

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  1. Exporting WaterMLfrom theEarth System Modeling FrameworkXinqi WangLouisiana State UniversityNCAR SIParCS ProgramAugust 4, 2009

  2. Outline • Project Overview • WaterML • Hydrologic Information System (HIS) • ESMF • Preliminary results

  3. SIParCS Project Overview • Motivation: Interdisciplinary science often requires scientists to access data archives from domains different from their own; in this case, hydrology, climate and atmospheric science • Objective: The incorporation of a WaterML metadata package into ESMF, which will enable exporting atmospheric time series datasets in WaterML XML format

  4. Water Markup Language (WaterML) • A widely used data standard in the hydrologic research community seeking to establish a single common representation of key constructs • A XML schema to provide generic and unambiguous water data services across multiple,heterogeneous data sources • Incorporated into Hydrologic Information Service (HIS) web service

  5. CUAHSI Hydrologic Information System • CUAHSI is the Consortium of Universities for the Advancement of Hydrologic Science • Seeks to provide better access to hydrologic data through a federated data archive with standard formats • All data are stored in relational databases • All data formats are converted to WaterML

  6. Earth System Modeling Framework • Metadata in ESMF appears in the form of Attributes, which are name-value pairs attached to ESMF objects such as Fields, Components, etc. • Attribute packages are sets of attributes with the same convention and purpose • ESMF contains a series of standard Attribute packages, i.e. Climate and Forecast (CF) convention for Field data

  7. WaterML Attribute Package Architecture WaterML Attribute Package Variable Name, Type, Code, etc. Time Series Attribute Package Data Attribute Package Method ID, Sample ID, etc. Data Element 1 Data Element 2 Data Element X

  8. WaterML Example XML output from HIS

  9. WaterML Example XML output from ESMF

  10. Accomplishments • Created an ESMF use test case with a WaterML Attribute Package • Output time series data annotated with WaterML attributes in XML • Helping ESMF team modify ESMF XML output function to output time series data in WaterML compatible format

  11. Thank you !!!!!! Questions?

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