LY/T 3403-2024Specification of desert inventory (English PDF)

4.1 Desert Name

Desert names are an essential part of desert inventory. When conducting an inventory, the official names commonly used in deserts should be used.

The deserts investigated and catalogued do not have an official name, and an informal name should be discussed and determined. When determining the desert name, the names of the surveyed and catalogued deserts should be avoided.

There are duplicate desert names. You can obtain them in the following three ways.

--- Obtained from relevant maps. The names of deserts marked on relevant maps can be used as reference for desert cataloguing.

--- Obtained from literature resources. The names of deserts given in published literature can be used as reference for desert cataloging.

---Self-naming. For deserts whose names cannot be verified, they can be named according to relevant regulations and principles.

When there are multiple informal names, relevant drawings, documents and other materials should be given priority in selection, followed by self-naming.

4.2 Desert Coding

Desert coding should take into full consideration three factors. convenience for computer storage, convenience for data statistics, and convenience for retrieval and use of cataloging results.

The code consists of four parts. the administrative region code of the desert, the desert ecological and geographical division code, the sequence code of the division and the desert number.

The desert eco-geographical zoning system is divided according to the characteristic indicators of desert climate, landform, vegetation, etc., as shown in Appendix A. The specific coding rules are shown in Appendix B.

5.1 Geographical location of desert

The description of the desert's geographical location includes the absolute location of the four boundaries expressed in longitude and latitude, the relative location of important geographical features in the four directions, and the