Tempo-Spatial Patterns of the Potential Evaporation in the Yangtze River Catchment for the Period 1960-2011
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Bibliographic record
Abstract
In this paper,annual and seasonal variations of potential evaporation were analyzed based on meteorological data from 123 observation stations in the Yangtze River catchment during 1960-2011,in combination with Penman-Monteith model.The changing tendency in potential evaporation over the catchment was analyzed by Mann-Kendall test with trend-free pre-whitening(TFPW-MK) analysis,Rescaled Range(R/S) analysis and method of Inverse Distance Weighted(IDW) under ArcGIS.In addition,correlation analysis was used to extract the principal factor affecting the potential evaporation.The results demonstrate that the annual potential evaporation had a decreasing tendency between 1960 and 2002,but had an increasing tendency between 2003 and 2009;in its entirety,it had an increasing tendency.Spatially,in the upper plateau region,the upper basin region and the lower reaches the annual potential evaporation had a decreasing tendency,with a large amplification in the upper basin region,while in the middle region it had a decreasing tendency.The results of R/S analysis showed that potential evaporation in spring,summer,autumn and annual potential evaporation were persistent increasing,and will be increasing.The change of potential evaporation is mainly caused by the significant increase in highest air temperature and lowest air temperature.
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Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.003 | 0.000 |
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