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Measuring apparatus for simulating hydrologic regime of litter layer on slope of forest

A measuring device and litter technology, applied in the field of forest hydrology observation, can solve the problem of not considering the effect and changing process of litter layer separately.

Pending Publication Date: 2017-09-05
BEIJING FORESTRY UNIVERSITY
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Problems solved by technology

In the above research process, the dynamic changes and water-holding mechanism of the litter layer were not studied; the role and change process of the litter layer in the slope runoff process were not considered separately, and factors such as rainfall and slope were not combined. Comprehensive research on its hydrological function

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  • Measuring apparatus for simulating hydrologic regime of litter layer on slope of forest
  • Measuring apparatus for simulating hydrologic regime of litter layer on slope of forest
  • Measuring apparatus for simulating hydrologic regime of litter layer on slope of forest

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Embodiment Construction

[0026] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0027] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

[0028] Such as figure ...

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Abstract

The invention provides a measuring apparatus for simulating the hydrologic regime of a litter layer on a slope of a forest. The measuring apparatus comprises a litter bearing frame, a first measuring device and a second measuring device, wherein the first end of the litter bearing frame is provided with a first telescopic supporting member, the second end of the litter bearing frame is provided with a second telescopic supporting member, and the first end is of an open structure and connected with the first measuring device; a bearing screen is laid on the litter bearing frame; a rainfall device is arranged above the bearing screen; a water collection bag is arranged below the bearing screen; and the bottom of the water collection bag is provided with a flow outlet connected with the second measuring device. According to the invention, the inclination degree of the litter bearing frame can be adjusted via the first telescopic supporting member and the second telescopic supporting member so as to simulate different gradients; and the first measuring device and the second measuring device are used for measuring vertical infiltration and lateral migration along the surface of the slope, so the interception of the litter layer under different rainfall conditions and different gradient conditions are indirectly measured, and thus, the rainfall distribution of the litter layer on the slope is dynamically monitored.

Description

technical field [0001] The invention relates to the technical field of forest hydrological observation, in particular to a measuring device for simulating the hydrological dynamics of litter layers on forest slopes. Background technique [0002] As the main carrier of water conservation, the forest litter layer is an important part of the hydrological cycle process. It plays a role in intercepting rainfall, preventing soil splash erosion, delaying surface runoff, reducing surface soil water evaporation, and enhancing soil erosion resistance. Features. At the same time, the litter layer affects the properties of the soil and the growth of trees by affecting the water and heat conditions of the forest soil, ventilation conditions, the cycle of nutrient elements, and the type and quantity of forest biological populations, and affects the forest hydrological ecological process. [0003] At present, in the research on the water movement mode in the litter layer and the runoff me...

Claims

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Application Information

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IPC IPC(8): G01N33/48
CPCG01N33/48
Inventor 牛健植杜捷余新晓骆紫藤谢宝元朱志俊蔺星娜贾京伟吴姗姗
Owner BEIJING FORESTRY UNIVERSITY
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