Earthdata powered by EOSDIS

Earthdata powered by EOSDIS (Earth Observing System Data and Information System) is a key core capability in NASA’s Earth Science Data Systems Program. It provides end-to-end capabilities for managing NASA’s Earth science data from various sources – satellites, aircraft, field measurements, and various other programs. EOSDIS uses the metadata and service discovery tool Earthdata Search https://search.earthdata.nasa.gov/search. The capabilities of EOSDIS constituting the EOSDIS Science Operations are managed by NASA's Earth Science Data and Information System (ESDIS) Project. The capabilities include: generation of higher level (Level 1-4) science data products for several satellite missions; archiving and distribution of data products from Earth observation satellite missions, as well as aircraft and field measurement campaigns. The EOSDIS science operations are performed within a distributed system of many interconnected nodes - Science Investigator-led Processing Systems (SIPS), and distributed, discipline-specific, Earth science Distributed Active Archive Centers (DAACs) with specific responsibilities for production, archiving, and distribution of Earth science data products. The DAACs serve a large and diverse user community by providing capabilities to search and access science data products and specialized services.

EOSDIS（地球观测系统数据和信息系统）由地球数据服务（Earthdata）提供支持，是NASA地球科学数据系统计划的核心关键能力之一。该系统提供端到端的能力，用于管理来自多个来源的NASA地球科学数据，包括卫星、飞机、现场测量以及众多其他项目。EOSDIS运用元数据与服务发现工具地球数据搜索（Earthdata Search，https://search.earthdata.nasa.gov/search）来实现其功能。构成EOSDIS科学运营的EOSDIS科学运营能力由NASA的地球科学数据与信息系统（ESDIS）项目进行管理。其能力包括：为多个卫星任务生成高级别（1-4级）科学数据产品；存储与分发地球观测卫星任务、飞机以及现场测量活动产生的数据产品。EOSDIS科学运营在由众多相互连接的节点组成的分布式系统中执行，这些节点包括科学调查者主导的处理系统（SIPS）以及分布式、特定学科领域的地球科学分布式主动存档中心（DAACs），它们分别负责地球科学数据产品的生产、存档与分发。DAACs通过提供搜索和访问科学数据产品及专业服务的功能，服务于一个庞大且多元化的用户群体。