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Agricultural drought research knowledge graph reasoning by using VOSviewer.

Fengjin Xiao1, Qiufeng Liu1, Yun Qin1

  • 1Beijing Climate Center, Chinese Meteorological Administration, Beijing, China.

Heliyon
|March 21, 2024
PubMed
Summary

This study maps global research on agricultural drought (AD), revealing a significant increase in publications since 2020. Key research areas include climate change impacts, crop yield, and adaptation strategies for sustainable agriculture.

Keywords:
AgricultureClimate changeDroughtKnowledge graphVoSviewerWoS

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Area of Science:

  • Agricultural Science
  • Environmental Science
  • Bibliometrics

Background:

  • Agricultural drought (AD) poses a significant threat to global food security and agricultural systems.
  • Existing research has focused on causes, monitoring, and impacts, but lacks a systematic overview of AD knowledge development.
  • A comprehensive bibliometric analysis is needed to understand the evolution and trends in AD research.

Purpose of the Study:

  • To systematically investigate the development of agricultural drought (AD) research.
  • To analyze the relationships between AD and related knowledge domains.
  • To identify current research hotspots and future directions in AD studies.

Main Methods:

  • A comprehensive literature search was conducted on the Web of Science (WoS) database.
  • Publications from 2020 to 2023 were prioritized for analysis.
  • Bibliometric analysis was performed using VOSviewer software to map research trends, collaborations, and keywords.

Main Results:

  • A total of 7416 articles on AD were identified, with a notable acceleration in publications since 2020.
  • China and the USA are the leading contributors, with research published across 457 journals.
  • Keywords such as climate change, yield, variability, impact, growth, and adaptation highlight current research focus.

Conclusions:

  • The study reveals a rapidly expanding body of literature on agricultural drought.
  • It identifies key research hotspots and outlines promising future research directions.
  • This bibliometric analysis offers a valuable guide for researchers in the agricultural drought field.