通过对广西北海——合浦沿海防护林带(网)气象效应的观测,分析了紧密、疏透和通风三种结构防护林带背风面不同距离的风速、气温、空气湿度、蒸发和地温等森林气象要素效应,得出它们的相对风速、防风效能、防护距离和有效防护距离,以及在强台风和常凤影响下的风速预报模式。并提出建设和改造防护林带(网)的具体建议。 By observing the meteorological effects of coastal shelter belts in the Beihai-Hepu area of ​​Guangxi, this paper analyzed the effects of wind speed, air temperature, air humidity, evaporation and ground temperature on the climatic factors Effect, come to their relative wind speed, wind-proof performance, protection distance and effective protection distance, and under the influence of strong typhoon and Changfeng wind speed prediction mode. And put forward concrete suggestions on how to construct and transform shelter belts (nets).