May 21, 2026 · Two data products are generated as part of the HLS project: the L30 data product generated with Landsat 8 and Landsat 9 data, and the S30 product generated using Sentinel-2 data.

The HLS SR suite contains two products, L30 and S30, the 30-m spatial resolution nadir-view surface reflectance, derived from Landsat L1TP (Collection 2, Crawford et al. 2023) and Sentinel-2 L1C input …

Apr 11, 2013 · The Harmonized Landsat Sentinel-2 (HLS) project provides consistent surface reflectance and top of atmosphere brightness data from Landsat 8/9 and Sentinel-2 A/B satellites. …

The processing of historical 2015-2021 Sentinel-2 data was in August 2023, i.e., a complete HLS v2.0 data set, Landsat 8: 2013 – present Sentinel-2A: 2015 – present Sentinel-2B: 2017 – present …

Jan 19, 2023 · The Harmonized Landsat Sentinel-2 (HLS) project produces seamless, harmonized surface reflectance data from the Operational Land Imager (OLI) and Multi-Spectral Instrument (MSI) …

Jul 1, 2025 · With the anticipation of Landsat 8 and the European Space Agency (ESA) Sentinel-2A launches in 2013 and 2015 respectively, the NASA Harmonized Landsat and Sentinel-2 (HLS) …

This collection contains HLS data collected from Sentinel-2A, Sentinel-2B, and Sentinel-2C. HLS data generated from Landsat can be found in a separate collection.

To access HLS product metadata you need to send search request to our Catalog API. The requested metadata will be returned as JSON formatted response to your request.

Apr 22, 2026 · This foundational article presents the analytical framework for harmonizing Landsat and Sentinel-2 data, discussing challenges in land cover characterization and product development.

May 15, 2026 · Searching and Visualizing HLS Data from NASA Earthdata. The Harmonized Landsat and Sentinel-2 (HLS) project provides consistent 30-meter surface reflectance products from Landsat …

Jun 25, 2025 · 經過HLS 的整合處理，讓 Landsat 8/9（空間解析度 30 公尺，每 16 天重訪）與 Sentinel-2A/B/C（解析度 10~20 公尺，每 5 天重訪）的資料可以如同單一資料集般使用。 透過 HLS，可以 …