Study on the Response Mechanism of Climate and Land Use Change to Evapotranspiration in Aksu River Basin
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Area
2.2. Data
2.2.1. MOD16 Evapotranspiration Data
2.2.2. Meteorological Data
2.2.3. Land Use Data
2.3. Methods
2.3.1. Analysis of the Trend and Mann–Kendal Test
2.3.2. Simple Correlation Analysis
2.3.3. Partial Correlation Analysis
2.3.4. Complex Correlation Analysis
2.3.5. Guidelines for Driving Zoning
3. Results
3.1. Characteristics of Spatial and Temporal Changes in Evapotranspiration
3.1.1. Analysis of Temporal Changes in Evapotranspiration
3.1.2. Analysis of Spatial Variation in Evapotranspiration
3.2. Impact of Climate Change on Spatial and Temporal Changes in Evapotranspiration
3.2.1. Analysis of the Correlation between Evapotranspiration and Climatic Factors
3.2.2. Bicorrelation and Complex Correlation Analysis between Evapotranspiration and Climatic Factors
3.2.3. Analysis of the Drivers of Evapotranspiration and Climatic Factors
3.3. Impacts of Land Use Change on Spatial and Temporal Changes in Evapotranspiration
3.3.1. Characteristics of Spatiotemporal Changes in Evapotranspiration for Different Types of Land Use
3.3.2. Zoning of the Drivers of Evapotranspiration in the Context of Land Use and Climate Change
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Types of Drivers of Evapotranspiration | t-Test (Precipitation) | t-Test (Relative Humidity) | F-Test | |||
---|---|---|---|---|---|---|
α = 0.05 | α = 0.01 | α = 0.05 | α = 0.01 | α = 0.05 | α = 0.01 | |
Precipitation | |T| ≥ t0.05 | \ | \ | \ | F ≥ f0.05 | \ |
Precipitation intensity | \ | |T| ≥ t0.01 | \ | \ | \ | F ≥ f0.01 |
Relative humidity | \ | \ | |T| ≥ t0.05 | \ | F ≥ f0.05 | \ |
Relative humidity (strong) | \ | \ | \ | |T| ≥ t0.01 | \ | F ≥ f0.01 |
Precipitation and relative humidity | |T| ≥ t0.05 | \ | |T| ≥ t0.05 | \ | F ≥ f0.05 | \ |
Precipitation and relative humidity (strongly codriven) | \ | |T| ≥ t0.01 | \ | |T| ≥ t0.01 | \ | F ≥ f0.01 |
Other climatic factors | |T| < t0.05 | \ | |T| < t0.05 | \ | F < f0.05 | \ |
β | β > 0 | β = 0 | β < 0 | ||||||
---|---|---|---|---|---|---|---|---|---|
Z | 2.58 < Z | 1.96 < Z ≤ 2.58 | 1.65 < Z ≤ 1.96 | Z ≤ 1.65 | Z | Z ≤ 1.65 | 1.65 < Z ≤ 1.96 | 1.96 < Z ≤ 2.58 | 2.58 < Z |
Trend categories | 4 | 3 | 2 | 1 | 0 | −1 | −2 | −3 | −4 |
Trend characterisations | Highly significant increase | Significant increase | Slightly significant increase | No significant increase | No change | No significant decrease | Slightly significant decrease | Significant decrease | Highly significant decrease |
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Zheng, G.; Wei, G.; Han, F.; Cao, Y.; Gao, F. Study on the Response Mechanism of Climate and Land Use Change to Evapotranspiration in Aksu River Basin. Atmosphere 2024, 15, 1055. https://doi.org/10.3390/atmos15091055
Zheng G, Wei G, Han F, Cao Y, Gao F. Study on the Response Mechanism of Climate and Land Use Change to Evapotranspiration in Aksu River Basin. Atmosphere. 2024; 15(9):1055. https://doi.org/10.3390/atmos15091055
Chicago/Turabian StyleZheng, Gang, Guanghui Wei, Fanghong Han, Yan Cao, and Fan Gao. 2024. "Study on the Response Mechanism of Climate and Land Use Change to Evapotranspiration in Aksu River Basin" Atmosphere 15, no. 9: 1055. https://doi.org/10.3390/atmos15091055