Specific humidity and relative humidity
Bildnummer 13495684
| Specific humidity measures the exact weight of water vapour contained in an air mass. It is a very stable unit of measurement, since the weight of a substance does not vary with temperature or pressure. On the other hand, specific humidity cannot indicate the relationship between temperature and humidity, which is behind many weather phenomena. Relative humidity expresses the relationship between the quantity of water vapour contained in an air mass and the quantity necessary to saturate that air mass. Saturated air has 100% relative humidity, while totally dry air (which does not exist) would have a relative humidity of 0%. Since saturation depends on the temperature, the relative humidity is higher near the poles than in tropical regions. | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Science Source / QA International |
| Bildgröße: | 3044 px × 2870 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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