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【Data Scraping Field】Soil Heat Flux

Soil Heat Flux refers to the amount of heat exchanged per unit time through a unit area of the soil interface, typically expressed in watts per square meter (W/m²).

2026-03-27 15:53:44
【Data Scraping Field】Albedo

Albedo is an indicator of how much incident radiation, such as sunlight, is reflected by the Earth's surface or the surface of an object. It is typically expressed as a dimensionless value between 0 and 1, or as a percentage (%), where higher values indicate higher reflectivity and lower values indicate greater absorption of energy. For example, fresh snow has a very high albedo, reflecting most sunlight. In contrast, forests, oceans, and asphalt pavements have relatively low albedo, absorbing more energy. Albedo is a key physical quantity significantly involved in Earth's energy balance and climate system, and is utilized in many fields including climate science, environmental research, remote sensing, and urban climatology.

2026-03-27 07:42:00
【Data Scraping Field】Cloud Cover

Cloud cover (total cloud cover) refers to the proportion of the sky obscured by clouds, typically expressed in tenths or eighths (such as the "okta" scale used in meteorological observations). It is one of the fundamental elements in meteorological observation, reflecting the extent to which clouds obscure the sky at a given time or over a period. Observations of total cloud cover are typically conducted through visual estimation, ground-based meteorological instruments, or satellite remote sensing. Cloud cover directly affects the balance between incoming solar shortwave radiation received at the surface and downward longwave radiation from the atmosphere, making it a key parameter in regulating surface temperature, boundary layer development, and precipitation formation processes. Within climate systems and weather forecasting, cloud cover serves as an important variable connecting radiative processes with dynamic processes.

2026-03-20 06:55:00
【Data Scraping Field】Soil Temperature

Soil Temperature refers to the thermal condition at different depths within the soil, typically expressed in degrees Celsius (℃) or Kelvin (K).

2026-02-28 16:29:30
【Data Scraping Field】Soil Electrical Conductivity (EC)

Soil Electrical Conductivity (EC) refers to the ability of soil to conduct electrical current, typically expressed in millisiemens per meter (mS/m) or decisiemens per meter (dS/m).

2026-02-28 16:24:04
【Data Scraping Field】Soil Moisture

Soil Moisture, typically expressed as Volumetric Water Content, refers to the volume of water contained per unit volume of soil, measured in cubic meters per cubic meter (m³/m³) or percentage (%). It is a core parameter describing soil water status and directly participates in surface energy balance, water cycle processes, and vegetation growth activities. Volumetric water content reflects the degree to which soil pores are filled with water, influenced by multiple factors including precipitation, irrigation, evaporation, transpiration, and soil permeability. It serves as a key indicator in agriculture, hydrology, meteorology, and environmental science.

2026-02-27 08:08:00
【Data Scraping Field】Outgoing Longwave Radiation (OLR)

Outgoing Longwave Radiation (OLR) is a key indicator in meteorology and climatology, representing the amount of energy absorbed by the Earth's surface and atmosphere that is emitted as infrared radiation into space.

2026-01-24 07:21:00
【Data Scraping Field】Net Radiation

Net radiation refers to the difference between all incoming radiation energy received by the Earth's surface and the radiation energy emitted from it.

2026-01-24 07:03:00
【Data Scraping Field】Scattering Radiation

Scattering radiation refers to the phenomenon where radiative energy (primarily electromagnetic radiation) interacts with molecules, aerosols, particles, or atoms in the atmosphere or within materials, causing its propagation direction to change while being redistributed.

2026-01-23 07:16:00
【Data Scraping Field】Reflected Radiation

Reflected radiation refers to the electromagnetic energy emitted from sources such as the sun or artificial lighting that, after reaching the surface of the ground or an object, is not absorbed but is instead reflected back outward.

2026-01-23 06:56:00