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【Data Scraping Field】Direct Solar Radiation

Direct solar radiation refers to the parallel rays of sunlight that reach the Earth's surface without being scattered by the atmosphere. Its intensity is jointly determined by factors such as the solar elevation angle, atmospheric transparency, cloud cover, and altitude.

2025-12-30 17:42:42
【Data Scraping Field】Solar Radiation

Solar Radiation refers to the total energy released by the sun that propagates through space in the form of electromagnetic waves and ultimately reaches the Earth.

2025-12-24 08:53:00
【Data Scraping Field】UV Index (Ultraviolet Index)

UV Index (Ultraviolet Index) is an international metric that quantifies the intensity of ultraviolet (UV) radiation reaching the Earth's surface from the sun.

2025-12-23 02:43:00
【Data Scraping Field】Evaporation

Evaporation refers to the total amount of water that enters the atmosphere from the Earth's surface (water bodies, soil, vegetation, etc.) through evaporation within a certain period of time (such as day, month, year). It is usually measured in millimeters (mm) and is measured using tools such as evaporation pans, weather stations, or remote sensing satellites. It is an important indicator reflecting the regional water cycle, drought level, and water resource sustainability.

2025-11-25 07:06:00
【Data Scraping Field】Snowfall

Snowfall is measured in millimeters by melting snow collected over 12 or 24 hours in a standard container. It reflects the intensity of snowfall water. The classification is strict: 0.1-2.4 mm of snowfall in 24 hours is considered light snow, 10.0-19.9 mm is blizzard, and over 30 mm is extremely heavy blizzard.

2025-11-25 06:56:00
【Data Scraping Field】Rainfall Intensity (Precipitation Intensity)

Rainfall Intensity refers to the amount of precipitation per unit time, usually in millimeters per hour (mm/h) or millimeters per day (mm/d), reflecting the severity of precipitation. According to intensity, it can be divided into light rain, moderate rain, heavy rain, rainstorm and other different levels.

2025-11-24 06:05:00
【Data Scraping Field】Raindrop Size Distribution (RSD)

Raindrop size distribution (RSD) is an important concept of Meteorology and hydrology which shows the size and the distribution of the number of raindrops forming rain.

2025-10-16 14:36:42
【Data Scraping Field】Precipitation

Precipitation is a meteorological indicator that shows the total amount of water, such as rain, snow, and sleepers falling into the surface within a certain period of time.

2025-10-16 02:08:00
【Data Scraping Field】Maximum Instantaneous Wind Speed

Maximum instantaneous wind speed is a term used in meteorological observations to refer to the highest value among the average wind speeds observed within a very short time interval (usually three seconds).

2025-09-25 20:17:17
【Data Scraping Field】Average Wind Speed

Average wind speed is a meteorological term that refers to the average wind speed over a certain observation period.

2025-09-23 20:11:02