[O04-P24] Specific heat of various soils measured by radiation thermometer
Keywords:Soil components, Heat capacity of the soils
The ground is composed of various substances. When the same amount of heat is applied, the temperature rises and falls differently. In order to mention the homeostacy of the environment or investigate the greenhouse effects, it is useful to compare the thermos-tendency, . When measuring the temperature, we measured the temperatures for several times under similar conditions using a infrared radiation thermometer.
When the sun is strong, the temperature changes greatly on asphalt and soil. Therefore, even if the same heat is applied, the way the temperature rises greatly differs depending on the soil and ground components. From this fact, it is considered that the various materials that make up the ground have different specific heats, so an investigation was conducted using a radiation thermometer (SK-8940, SATO).
The difference in heat capacity between asphalt and brick was small and the influence of external factors was small, but the difference in heat capacity between grassland, sand and soil was large. I thought that this might be influenced by external factors such as wind. To obtain the heat capacity of vegetated soil, and thus the specific heat, it will be necessary to measure under more stable conditions.
When the sun is strong, the temperature changes greatly on asphalt and soil. Therefore, even if the same heat is applied, the way the temperature rises greatly differs depending on the soil and ground components. From this fact, it is considered that the various materials that make up the ground have different specific heats, so an investigation was conducted using a radiation thermometer (SK-8940, SATO).
The difference in heat capacity between asphalt and brick was small and the influence of external factors was small, but the difference in heat capacity between grassland, sand and soil was large. I thought that this might be influenced by external factors such as wind. To obtain the heat capacity of vegetated soil, and thus the specific heat, it will be necessary to measure under more stable conditions.