Chen Jinghua, Xiao Wenming, Zhang Qiang, et al. Design and implementation of a single map of meteorological basic information. J Appl Meteor Sci, 2024, 35(2): 247-256. DOI:  10.11898/1001-7313.20240210.
Citation: Chen Jinghua, Xiao Wenming, Zhang Qiang, et al. Design and implementation of a single map of meteorological basic information. J Appl Meteor Sci, 2024, 35(2): 247-256. DOI:  10.11898/1001-7313.20240210.

Design and Implementation of a Single Map of Meteorological Basic Information

DOI: 10.11898/1001-7313.20240210
  • Received Date: 2023-12-08
  • Rev Recd Date: 2024-01-24
  • Publish Date: 2024-03-27
  • A single map of meteorological basic information is a demonstration of the integration of meteorological data resources and industry data. By establishing a spatiotemporal linkage for meteorological big data applications, it solves the challenge of integrating multi-source meteorological data for application services. The information map enables unified access, processing, storage, and management of multi-source heterogeneous spatiotemporal data through three key technologies: Spatial processing of high-resolution meteorological grid data, retrieval of long sequences of massive grid data within arbitrary spatiotemporal ranges, and fusion services for meteorological data and three-dimensional terrain. It provides users with refined data acquisition services. The information map is created using the meteorological big data cloud platform. The virtual server resources, spatial database resources, and meteorological data resources utilized are all sourced from the meteorological big data cloud platform. The information map offers functions such as spatial analysis of multi-source data, layer management, online mapping, and scene application. It extends the data service mode of the meteorological big data cloud platform. For the first time in the meteorological industry, the Beidou grid location code technology has been utilized to create a map of fundamental meteorological information. Through spatial dimensionality reduction, two-dimensional longitude and latitude values are transformed into one-dimensional Beidou grid location codes. Through algorithms, rapid spatial positioning is achieved, addressing the issue of low efficiency in creating spatial indexes for massive data. The information map integrates five categories of data resources: Basic geography, natural resources, ecological environment, socio-economic, and meteorology. It can dynamically combine and construct thematic services based on various meteorological application scenarios, achieving fast and efficient multi-source data services and applications. A map of meteorological basic information provides business support through layer and geographic spatial retrieval services for the new generation of short-term and imminent forecasting and early warning systems. This promotes the development of business systems and ensures the efficient and stable operation of meteorological services. A single map of meteorological basic information supports spatial query services for public meteorological reality mini-programs and China Meteorological Data Network. It expands channels and methods for the public to access meteorological information through public meteorological services. A single map of meteorological basic information ensures the provision of customized grid data temporal query services for major events, achieving integrated meteorological data query services for historical, current, and forecasted events. Accurate meteorological data play a crucial role in ensuring the success of major national events, such as Beijing Winter Olympic Games and Winter Paralympic Games in 2022, as well as in providing essential weather forecasts for events like "7·20" extremely heavy rainstorm of Zhengzhou in 2021. Additionally, meteorological data is shared for social service purposes. A map of meteorological basic information provides effective support in ensuring "life safety, production development, a prosperous life, and a healthy ecology".
  • Fig. 1  Data organization and processing process

    Fig. 2  System organizational structure

    Fig. 3  Meteorological basic information one map website homepage

    Fig. 4  Spatial processing of long sequence lattice data

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    • Received : 2023-12-08
    • Accepted : 2024-01-24
    • Published : 2024-03-27

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