ELITE surface longwave upward radiaiton: FY-4A/AGRI hourly 4km all-sky SLUR (2020.10-12)

<p>The <strong>E</strong>ssential therma<strong>L</strong> <strong>I</strong>nfrared remo<strong>T</strong>e s<strong>E</strong>nsing (<strong>ELITE</strong>) product suite currently has four types of products, including land surface temperature (LST: clear-sky and all-sky), emissivity (NBE: narrowband emissivity; BBE: broadband emissivity; and spectral emissivity), the component of surface radiation and energy budget (SLUR: surface longwave upwelling radiation; SLDR: surface longwave downward radiation SLDR; SLNR: surface longwave net radiation), and the component of Earth&rsquo;s radiation budget (OLR; outgoing longwave radiation; RSR: reflected solar radiation). The spatial-temporal resolutions of the ELITE products are mainly determined by the employed satellite data sources. For more information about ELITE products, please refer to the website (<a href="https://elite.bnu.edu.cn">https://elite.bnu.edu.cn</a>).</p> <p>This dataset is the 4km hourly&nbsp;all-sky SLUR product derived by the hybrid method under clear-sky conditions and the machine learning method under cloudy-sky conditions from the FY-4A/AGRI thermal infrared data, covering the AGRI 4km nominal fixed disc (80.6&deg;N-80.6&deg;S, 24.1&deg;E-174.7&deg;W). The in-situ validation results show that the bias (RMSE) of the retrieved AGRI SLUR are -0.67 (18.5) W/m²&nbsp;under clear-sky conditions, 1.05 (23.77) W/m²&nbsp;under cloudy-sky conditions, and -0.26 (19.87) under all-sky conditions, respectively. The temporal resolution and spatial resolution of this dataset are one hour and 4km, respectively.</p> <p>This is the ELITE FY-4A/AGRI all-sky SLUR product from October to December 2020. Please <a href="https://zenodo.org/record/8350752">click here</a> to download the ELITE FY-4A/AGRI all-sky SLUR product from July to September 2020.</p> <p><strong>Dataset Characteristics:</strong></p> <ul> <li>Spatial Coverage: AGRI nominal fixed disc (80.6&deg;N-80.6&deg;S, 24.1&deg;E-174.7&deg;W)</li> <li>Temporal Coverage: 2020</li> <li>Spatial Resolution: 4 km (subsatellite point)</li> <li>Temporal Resolution: one hour</li> <li>Data Format: NC</li> <li>Scale: 0.01</li> </ul> <p>If you have any questions, please contact Prof. Jie Cheng (eliteqrs@126.com).</p>