Wet soil sampler
Patent Information
- Authority / Receiving Office
- CN ยท China
- Current Assignee / Owner
- NANKAI UNIV
- Publication Date
- 2005-05-11
- Estimated Expiration
- Not applicable ยท inactive patent
Smart Images
Figure 1 Figure 2 Figure 3
Abstract
Description
technical field
[0001] The invention belongs to a soil sampler, in particular to a wetland soil sampler. Background technique
[0002] Wetland is an important and rich ecosystem on the earth. It has huge resource potential and environmental regulation function, and is of great value for development and utilization. Wetland research plays an important role in global ecological and environmental research, has been valued by many countries, and has become a new marginal interdisciplinary subject. The research on wetland soil is an indispensable part of wetland research, and its sampling methods and tools directly or indirectly determine the objectivity and accuracy of the research. However, most of the existing soil samplers have the following disadvantages, which are difficult to meet the requirements of soil sampling under wetland conditions:
[0003] 1. The diameter is relatively thin, mostly 20-30mm, and the amount of soil taken is small, which cannot meet the requirement...