基于决策树算法的琼州海峡沉积物地球化学分区探究  

Exploration of Geochemical Zoning of Sediments in the Qiongzhou Strait Based on Decision Tree Algorithm

作　　者：吴晓霞 杨奕 林川善 万明明 王小龙 WU Xiaoxia;YANG Yi;LIN Chuanshan;WAN Mingming;WANG Xiaolong(Hainan Key Laboratory of Marine Geological Resources and Environment;Hainan Geological Data Institute,Haikou,Hainan Province,570206 China)

机构地区：[1]海南省海洋地质资源与环境重点实验室 [2]海南省地质资料院,海南海口570206

出　　处：《科技资讯》2025年第2期235-238,共4页Science & Technology Information

基　　金：海南省海洋地质资源与环境重点实验室开放课题(2023年度)(项目编号:23-HNHYDZZYHJKF031)。

摘　　要：琼州海峡作为广东海区与北部湾海上交通的重要通道,是沟通北部湾和南海中、东部的海上走廊。以其为研究区,对决策树在琼州海峡沉积物地球化学分区中的应用进行探究。用采集的391件表层沉积物中的53种元素含量建立决策树模型,依托决策树获得了11条对研究区进行地球化学分区的规则。同时,还发现在地球化学分区过程中Cl、N、TFe_(2)O_(3)、Sb、Al_(2)O_(3)和Hg这6种元素是主要影响因素。Qiongzhou Strait is an important passage for maritime transportation between the Guangdong Sea and the Beibu Gulf,connecting the Beibu Gulf and the central and eastern parts of the South China Sea.Taking it as the research area,this article explores the application of Decision Tree in the sedimentary geochemical zoning of Qiongzhou Strait.A Decision Tree model was established using the content of 53 elements collected from 391 surface sediments.Based on the Decision Tree,11 rules for geochemical zoning of the study area were obtained,and 6elements including Cl,N,TFe_2O_3,Sb,Al_2O_3,and Hg were identified as the main influencing factors during the zoning process.

关 键 词：决策树 地球化学 琼州海峡 表层沉积物 

分 类 号：TP79[自动化与计算机技术—检测技术与自动化装置]