Integrated assessment of land use and carbon storage changes in the Tulufan-Hami Basin under the background of urbanization and climate change

IF 7.6 Q1 REMOTE SENSING

International journal of applied earth observation and geoinformation : ITC journal Pub Date : 2024-11-09 DOI:10.1016/j.jag.2024.104261

Meiling Huang , Yusuyunjiang Mamitimin , Abudukeyimu Abulizi , Rebiya Yimaer , Bahejiayinaer Tiemuerbieke , Han Chen , Tongtong Tao , Yunfei Ma

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引用次数: 0

Abstract

Precise forecasting of land use modifications and carbon storage (CS) alterations is essential for effective regulatory measures and ecological quality enhancement. However, there are limited studies on land use dynamics and its impact on CS in the arid regions of Northwest China. Therefore, this study explores land use and CS changes in the Tulufan-Hami Basin from 2000 to 2050. The SD-FLUS and InVEST models were employed to simulate land use patterns and assess CS under three scenarios (SSP126-EP, SSP245-ND and SSP585-ED). The results of our study indicate that the area of cropland and built-up land both increased dramatically from 2000 to 2020, expanding by 347 km² and 505 km² respectively. CS initially rose by 0.74 × 10⁶t from 2000 to 2010 but then declined by 1.37 × 10⁶t from 2010 to 2020. Construction expansion and grassland degradation drove the decline. By 2050, the SSP126-EP scenario predicts an increase in CS of 3.64 × 10⁶t compared to 2020. However, both the SSP245-ND and SSP585-ED scenarios show significant decreases, with a decline of 0.55 × 10⁶t and 1.87 × 10⁶t respectively. These findings provide a foundation for global ecological preservation and CS enhancement in arid regions.

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城市化和气候变化背景下吐鲁番-哈密盆地土地利用和碳储存变化的综合评估

精确预测土地利用变化和碳储存（CS）的改变对于采取有效的监管措施和提高生态质量至关重要。然而，有关中国西北干旱地区土地利用动态及其对 CS 影响的研究十分有限。因此，本研究探讨了吐鲁番-哈密盆地 2000 至 2050 年的土地利用与 CS 变化。采用 SD-FLUS 和 InVEST 模型模拟了三种情景（SSP126-EP、SSP245-ND 和 SSP585-ED）下的土地利用模式和 CS 评估。研究结果表明，从 2000 年到 2020 年，耕地面积和建筑用地面积均大幅增加，分别增加了 347 平方公里和 505 平方公里。从 2000 年到 2010 年，CS 最初增加了 0.74 × 106t，但从 2010 年到 2020 年又减少了 1.37 × 106t。建筑扩张和草地退化是导致下降的原因。到 2050 年，根据 SSP126-EP 情景预测，CS 将比 2020 年增加 3.64 × 106t。然而，SSP245-ND 和 SSP585-ED 情景都显示出显著下降，分别下降了 0.55 × 106t 和 1.87 × 106t。这些发现为干旱地区的全球生态保护和 CS 增强奠定了基础。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International journal of applied earth observation and geoinformation : ITC journal Global and Planetary Change, Management, Monitoring, Policy and Law, Earth-Surface Processes, Computers in Earth Sciences

CiteScore

12.00

自引率

0.00%

发文量

审稿时长

77 days

期刊介绍： The International Journal of Applied Earth Observation and Geoinformation publishes original papers that utilize earth observation data for natural resource and environmental inventory and management. These data primarily originate from remote sensing platforms, including satellites and aircraft, supplemented by surface and subsurface measurements. Addressing natural resources such as forests, agricultural land, soils, and water, as well as environmental concerns like biodiversity, land degradation, and hazards, the journal explores conceptual and data-driven approaches. It covers geoinformation themes like capturing, databasing, visualization, interpretation, data quality, and spatial uncertainty.