Why can wetlands adjust air humidity and temperature?

The answer is: water evaporates into steam; Water has a large specific heat capacity.

The following is an introduction to wetlands:

In a narrow sense, wetland refers to an area where the surface is too wet or often accumulates water, and wetland organisms grow. Wetland ecosystem is a unified whole composed of wetland plants, animals, microorganisms and their environment. Wetlands have many functions: protecting biodiversity, regulating runoff, improving water quality, regulating microclimate, providing food and industrial raw materials, and providing tourism resources. ?

On March/March/2002 1 1 day, the Bulletin on Land Greening in China in 2020 issued by the Office of the National Greening Committee shows that the national wetland protection rate will reach more than 50% in 2020.

This definition also means that lakes and wetlands are bounded by a water depth of 2 meters at low water level. According to this definition of wetland, the world wetland can be divided into more than 20 types, which is accepted by wetland researchers in many countries. Hydrological conditions of wetlands are the decisive factors of wetland properties.

Refer to Baidu Encyclopedia-Wetlands for the above information.