Chapter 6 Hydrological Observations Precipitation Measurement

Abstract

Hydrological observations are generally a quantitative method to explain the process in the water cycle such as precipitation, runoff, infiltration, evaporation and other processes [1]. As the water cycle is closely related to human daily activities, whether intentional or not, human social and economic activities have been impacted by the hydrological cycle and vice versa. Long-term hydrological observations are particularly important for disaster management and mitigation involving floods and drought. The reliable and consistent hydrological observation records would enable quality forecasting technology and other statistical analysis to evaluate the risk and impact of the disaster and also to help in formulating mitigationmeasures.