PACE OCI Level-2 Regional Cloud Optical Properties Data, version 3.2
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下载链接：
https://cmr.earthdata.nasa.gov/search/concepts/C4124887143-OB_CLOUD.html
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资源简介：
The CLOUD data suite provides per-pixel microphysics and macrophysics to support cloud/climate applications. Typical uses: screening clouds for atmospheric correction, evaluating cloud–radiation interactions, and joint analyses with ocean-color variables (e.g., chlorophyll, Rrs).
Core geophysical variables in this suite include:
• cloud_fraction — Cloud fraction (unitless; 0–1)
• ice_cloud — Ice cloud fraction (unitless; 0–1)
• water_cloud — Water cloud fraction (unitless; 0–1)
• cer_16 / cer_21 / cer_22 — Cloud particle effective radius (µm) retrieved from two-channel methods using near-IR bands (1.6, 2.1, or 2.2 µm) paired with a non-absorbing band
• cot_16 / cot_21 / cot_22 — Cloud optical thickness (unitless) retrieved from two-channel methods using near-IR bands
• cwp_16 / cwp_21 / cwp_22 — Cloud water path (g m⁻²) retrieved from two-channel methods using near-IR bands
• cth — Cloud top height (m)
• ctp — Cloud top pressure (hPa)
• ctt — Cloud top temperature (K)
• l2_flags — Level-2 Processing Flags (bitmask; see product attributes for definitions)
提供机构：
OB_CLOUD
创建时间：
2026-04-14
