Slope grassland lysimeter

Abstract

The invention discloses a slope grassland lysimeter, and relates to the technical field of soil data measuring devices. The slope grassland lysimeter comprises a lysimeter soil barrel which comprises an inner barrel used for containing soil and an outer barrel used for sleeving the outer side of the inner barrel in a clearance manner; the first end of the inner barrel is open, the second end of the inner barrel is closed, the end face of the first end of the inner barrel is obliquely arranged so that the end face of the first end of the inner barrel can be flush with a slope when the inner barrel is vertically buried underground, and the second end of the inner barrel is provided with an infiltration mechanism used for storing water; openings are formed in the two ends of the outer barrel, and the first end face of the outer barrel is obliquely arranged to be flush with the first end face of the inner barrel; the slope grassland lysimeter further comprises a weighing mechanism which comprises a hoisting mechanism used for hoisting the inner barrel, and a weighing device which is arranged on the hoisting mechanism and used for weighing the inner barrel. Through the arrangement, the slope grassland lysimeter provided by the invention is suitable for slope grassland, has the characteristics of portability and simplicity in operation, and is convenient to carry, maintain and mount; soil disturbance is small, and in-situ monitoring of slope grassland evapotranspiration can be achieved; the cost is low, and popularization in the field is facilitated.

Description

technical field [0001] The invention relates to the technical field of soil data measuring devices, in particular to a slope grassland lysimeter. Background technique [0002] Evapotranspiration includes plant leaf transpiration and soil surface evaporation, which is the main way of water budget and energy exchange between soil-vegetation-atmosphere; infiltration refers to the process of water seepage into the deep soil, which is an important part of soil water balance; vegetation- The hydrological process of soil has become a research hotspot, and the lysimeter method has become a more accurate and direct method for studying vegetation evapotranspiration. At present, in the prior art, most of the soil column containers of lysimeters are designed with horizontal openings, which are suitable for installation on flat ground, but are difficult to be suitable for sloped ground. Therefore, how to solve the problem that the lysimeters in the prior art are not suitable for use on ...

AI Technical Summary

Problems solved by technology

At present, in the prior art, the soil column container of the lysimeter is mostly designed with a horizontal port, which is suitable for installation on flat ground, and it is difficult to apply to the ground with a slope

Therefore, how to solve the problem that the lysimeter in the prior art is not suitable for slope use is a technical problem that those skilled in the art need to solve urgently

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