Environmentally controlled intertidal co 2 Flux chamber simulation experiment device and method

Abstract

The invention discloses an intertidal zone CO with controllable environmental conditions 2 The flux indoor simulation experiment device includes a biochemical incubator, an outer cylinder and a water storage tank. The outer cylinder is located in the biochemical incubator, and the outer cylinder is provided with an inner cylinder. The sediment samples collected in the field are layered into the inner cylinder. There is a permeable hole at the bottom of the inner cylinder, and a permeable hole on the inner cylinder. The permeable hole is located above the sediment sample. The outer cylinder is connected to the water storage tank through a peristaltic pump, and a sampling air chamber is arranged above the sediment sample in the inner cylinder. , the sampling gas chamber is connected with CO through the gas pipeline 2 Sensor connection, CO 2 The sensor is connected with the computer signal. A kind of environmental condition controllable intertidal zone CO of the present invention 2 Flux indoor simulation experiment device, which can simulate various temperature, light environment conditions and groundwater level indoors, and conduct long-term continuous observation of intertidal zone sediment CO 2 Flux provides a powerful means of observation and research for basic research on carbon metabolism and carbon cycle in wetland ecosystems.

Description

technical field [0001] The present invention relates to intertidal zone CO with controllable environmental conditions 2 The invention relates to a flux indoor simulation experiment device and method, belonging to the environmental field. Background technique [0002] Wetland ecosystem is an important carbon pool of the earth, accounting for about 10% of the carbon pool of global terrestrial ecosystems. It is an important carbon sink in known terrestrial ecosystems after forests, and has a significant impact on the global carbon cycle. The incomplete decomposition of organic matter in wetlands leads to the accumulation of carbon in wetlands, and wetland plants obtain a large amount of CO from the atmosphere 2 , become a huge carbon pool; at the same time, under certain conditions and conditions, the wetland will decompose and respire CO under the action of microorganisms 2 Discharged into the atmosphere, the carbon cycle process of wetlands is affected by climate conditions...

AI Technical Summary

Problems solved by technology

However, the external environment is changeable and highly uncertain, especially for environments with variable physical dynamics such as the intertidal zone, it is difficult for in-situ observations to truly capture the characteristics of the carbon cycle under different control conditions, and it is even more difficult to clarify through a series of experiments in the field The mechanism and control factors of the carbon cycle, therefore, it is very meaningful to simulate the impact of natural condition changes on carbon flux in the laboratory

Images