地球科学最新文献

{"title":"Winds of Change: The Role of Urban Expansion and Thermal Advection in Driving Phoenix's (AZ) Warming Trends","authors":"Mohamed Moustaoui,&nbsp;Matei Georgescu","doi":"10.1029/2024JD043166","DOIUrl":"https://doi.org/10.1029/2024JD043166","url":null,"abstract":"<p>Urban expansion is a significant driver of near-surface temperature increases in modified landscapes. While research often focuses on the effect of urban environments on downstream non-urban locations, thermal advection from upstream urban development on existing urban environments remains understudied. We analyze historical observations for rapidly and non-rapidly expanding cities in the southwestern US to isolate the primary driver responsible for urban canopy layer warming. Results indicate increasing minimum temperatures (<i>T</i>_min) of 0.0835°C/year (0.0802°C/year) and decreasing diurnal cycles of −0.0506°C/year (−0.0664°C/year) for Phoenix, AZ (Las Vegas, NV). In contrast, non-rapidly expanding cities show negligible <i>T</i>_min increases of 0.0005°C/year (0.021°C/year) and negligible diurnal cycle changes of +0.0035°C/year and −0.00073°C/year for Williams (AZ) and Flagstaff (AZ), respectively. To fully quantify the hypothesized first-order effect of thermal advection in regulating canopy layer warming, we examine the role of upstream urban expansion on observed temperature changes at Phoenix' Sky Harbor International Airport using the Weather Research and Forecasting (WRF) model and idealized (semi-Lagrangian) simulations. Two sets of WRF monthly summertime simulations (June 2002 and June 2019) are conducted, with multiple scenarios whereby the urban extent around Sky Harbor Airport is modified. Consistent with multi-decadal observations, WRF simulations identify upstream urban expansion as the primary driver of observed near-surface temperature changes. Semi-Lagrangian simulations corroborate WRF results, confirming the role of thermal advection through increasing <i>T</i>_min and decreasing diurnal cycles. Our semi-Lagrangian model offers a computationally efficient tool to predict future minimum temperature trends due to continued urban expansion, with potential application for semi-arid cities globally.</p>","PeriodicalId":15986,"journal":{"name":"Journal of Geophysical Research: Atmospheres","volume":"130 16","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2024JD043166","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144833133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Linking Ocean Storms and Earth's Hum Excitation: Seasonal Infragravity Wave Observations in the Pacific Ocean","authors":"Kai-Xun Chen,&nbsp;Yuancheng Gung","doi":"10.1029/2025JC022342","DOIUrl":"https://doi.org/10.1029/2025JC022342","url":null,"abstract":"<p>Infragravity waves (IGWs) are long-period ocean waves that bridge the atmosphere, ocean, solid Earth and polar ice, influencing sea level measurements, coastal sediment transport, the breakup of Antarctic ice shelves and the excitation of Earth's seismic hum. We collected ocean-bottom pressure data recorded by approximately 700 pressure gauges from 15 ocean-bottom seismometer arrays deployed on the Pacific seafloor and computed cross-correlation functions between each station pair to extract coherent energy of IGWs. We conducted beamforming analysis to determine the incoming direction of IGWs and applied ray-tracing calculations to locate their sources. Our results reveal pronounced seasonal variations in the spatial extent of IGW sources. During boreal winter, coastlines of the northern and eastern Pacific Ocean are distinct sources, particularly in the northeastern segment, strongly correlating with IGW height predictions and with significant wave height triggered by eastward-moving storms. By contrast, during boreal summer (i.e., austral winter), waves predominantly originate from the western coast of South America and New Zealand coasts, as those in the prediction model. A secondary region is illuminated along the Antarctic coast, which we hypothesize originates from distant primary sources in the Southern Hemisphere, reflecting off the Antarctic coast. The reflected waves then likely propagate northward several hundred to thousands of kilometers seaward toward the Northern Hemisphere, where they are recorded by stations in the northern Pacific Ocean. The detected IGW source locations in this study support that Earth's seismic hum is triggered unevenly, with distinct seasonal patterns.</p>","PeriodicalId":54340,"journal":{"name":"Journal of Geophysical Research-Oceans","volume":"130 8","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2025JC022342","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144833171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dynamic Mode Decomposition of Geostrophically Balanced Motions From SWOT Cal/Val in the Separated Gulf Stream","authors":"Takaya Uchida,&nbsp;内田貴也,&nbsp;Badarvada Yadidya,&nbsp;Karl E. Lapo,&nbsp;Xiaobiao Xu,&nbsp;Jeffrey J. Early,&nbsp;Brian K. Arbic,&nbsp;Dimitris Menemenlis,&nbsp;Luna Hiron,&nbsp;Eric P. Chassignet,&nbsp;Jay F. Shriver,&nbsp;Maarten C. Buijsman","doi":"10.1029/2024EA004079","DOIUrl":"https://doi.org/10.1029/2024EA004079","url":null,"abstract":"<p>The decomposition of oceanic flow into its geostrophically balanced and unbalanced motions carries theoretical and practical significance for the oceanographic community. These two motions have distinct dynamical characteristics and affect the transport of tracers differently from one another. The launch of the Surface Water and Ocean Topography (SWOT) satellite provides a prime opportunity to diagnose the surface balanced and unbalanced motions on a global scale at an unprecedented spatial resolution. Here, we apply dynamic-mode decomposition (DMD), a linear-algebraic data-driven method, to tidally-forced idealized and realistic numerical simulations at submesoscale-permitting resolution and one-day-repeat SWOT observations of sea-surface height (SSH) in the Gulf Stream downstream of Cape Hatteras, a region commonly referred to as the separated Gulf Stream. DMD is able to separate out the spatial modes associated with sub-inertial periods from super-inertial periods. The sub-inertial modes of DMD can be used to extract geostrophically balanced motions from SSH fields, which have an imprint of internal gravity waves, so long as the data extends long enough in time. We utilize the statistical relation between relative vorticity and strain rate as the metric to gauge the extraction of geostrophy.</p>","PeriodicalId":54286,"journal":{"name":"Earth and Space Science","volume":"12 8","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2024EA004079","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144833315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ionospheric TEC prediction in low-latitude Indian region during geomagnetic storm periods based on XGBoost with optuna framework and comparison with IRI-Plas 2020","authors":"T. Muthukumaran ,&nbsp;R. Mukesh ,&nbsp;S. Kishore Kumar ,&nbsp;Andrew F. Jude ,&nbsp;J. Kenisha ,&nbsp;G. Cynthia ,&nbsp;S. Logesh ,&nbsp;Sarat C. Dass ,&nbsp;S. Kiruthiga","doi":"10.1016/j.jastp.2025.106606","DOIUrl":"10.1016/j.jastp.2025.106606","url":null,"abstract":"<div><div>This paper introduces a strong 24-h TEC forecast model based on the Extreme Gradient Boosting (XGBoost) algorithm, implemented for GPS-based TEC data at both the IISC and Chum stations. For a better tuning of the model's performance, two hyperparameter tuning approaches—Optuna and Hyperopt—were utilized. The assessment pertains to five primary GS events: the Halloween Storm (2003), St. Patrick's Day Storm (2015), the February 2022 Mother's Day Storm (2024), and yet another GS in 2024. The AI model forecasts were compared against the IRI-PLAS 2020 empirical model on the basis of standard performance measures such as Root Mean Square Error (RMSE), Mean Absolute Percentage Error (MAPE), and Mean Squared Logarithmic Error (MSLE). Results show that the Optuna-tuned XGBoost model always performed better than the IRI-PLAS 2020 model for all GS events. RMSE values for Optuna were considerably lower: 4.7254 for the Halloween Storm versus 8.7335 using IRI-PLAS, 2.8389 versus 17.4692 for St. Patrick's Day, 4.4167 versus 9.9611 for the 2022 storm, 10.8861 versus 16.4781 for the Mother's Day event, and 12.8778 versus 29.8309 for the second 2024 storm. For comparison, the XGBoost model optimized using Hyperopt, tested over the same events, had RMSEs of 14.52, 7.01, 5.19, 6.80 and 14.97, respectively. While Hyperopt outperformed the IRI-PLAS model in each scenario, Optuna produced the best results overall. These results confirm the effectiveness of machine learning, specifically the XGBoost model optimized using Optuna tuning, in observing intricate TEC dynamics during geomagnetic disturbances. The research points out how AI-driven forecasting can dramatically enhance space weather resilience by limiting error in prediction and providing more trustworthy GNSS and communication system functionality under high-impact solar activity.</div></div>","PeriodicalId":15096,"journal":{"name":"Journal of Atmospheric and Solar-Terrestrial Physics","volume":"275 ","pages":"Article 106606"},"PeriodicalIF":1.9,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144858038","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Publisher Correction: Consequential differences in satellite-era sea surface temperature trends across datasets","authors":"S. Menemenlis, G. A. Vecchi, Wenchang Yang, S. Fueglistaler, S. P. Raghuraman","doi":"10.1038/s41558-025-02422-x","DOIUrl":"https://doi.org/10.1038/s41558-025-02422-x","url":null,"abstract":"<p>Correction to: <i>Nature Climate Change</i> https://doi.org/10.1038/s41558-025-02362-6, published online 11 July 2025.</p>","PeriodicalId":18974,"journal":{"name":"Nature Climate Change","volume":"68 1","pages":""},"PeriodicalIF":30.7,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144851478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mediterranean summer marine heatwaves triggered by weaker winds under subtropical ridges","authors":"Giulia Bonino, Ronan McAdam, Panos Athanasiadis, Leone Cavicchia, Regina R. Rodrigues, Enrico Scoccimarro, Stefano Tibaldi, Simona Masina","doi":"10.1038/s41561-025-01762-9","DOIUrl":"https://doi.org/10.1038/s41561-025-01762-9","url":null,"abstract":"<p>Marine heatwaves, extended periods of elevated sea surface temperature, impact society and ecosystems, and deeper understanding of their drivers is needed to predict and mitigate adverse effects. These events can be particularly severe in the Mediterranean Sea during the summer although the factors that control their occurrence and duration are not fully known. Here we use a comprehensive multi-decadal macroevent dataset and a cluster analysis to investigate the atmospheric dynamics preceding the largest summer marine heatwaves in the Mediterranean Sea. Our study identifies the favourable conditions leading up to marine heatwave peaks and reveals that their main synoptic cause in the Mediterranean Sea is the combined effect of persistent subtropical anticyclonic ridges and associated weakening of prevailing wind systems. When persistent subtropical ridges are established over the region, the resulting decrease in wind speeds causes a substantial reduction in latent heat loss to the atmosphere, which accounts for over 70% of the total heat flux in affected regions. This reduction, combined with a moderate increase in short-wave radiation, generates and intensifies marine heatwaves. This synergistic relationship represents a key mechanism that is critical for skilfully predicting such atmospheric circulation patterns and realistically simulating their impacts on the marine environment.</p>","PeriodicalId":19053,"journal":{"name":"Nature Geoscience","volume":"184 1","pages":""},"PeriodicalIF":18.3,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144839999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Studies of Optimal Land Surface Conditions Most Favorable for Heat Wave Onsets Over the Yangtze River Valley","authors":"Qiyu Zhang,&nbsp;Mu Mu,&nbsp;Guodong Sun","doi":"10.1029/2024JD042853","DOIUrl":"https://doi.org/10.1029/2024JD042853","url":null,"abstract":"<p>Heat waves (HWs) cause severe impacts on society and the economy. Early warning is crucial for disaster risk management about HW onsets. Land surface conditions are key to HW onsets. However, few studies have investigated which specific land surface features are more likely to cause HW onsets. Here, we investigate this issue by exploring the land surface conditions more favorable for HW onsets over the Yangtze River Valley using the conditional nonlinear optimal perturbation related to parameters (CNOP-P) approach. The numerical results indicate that CNOP-P type land surface conditions are the most favorable for HW onsets compared to random types. Surface energy partitioning is primarily influenced by CNOP-P type surface conditions, which lead to more energy release in the form of sensible heat fluxes. Vegetation is a key factor influencing HW occurrence, as it significantly affects surface energy partitioning by regulating vegetation transpiration. In addition, individual results also show that soil evaporation processes also have an important role in HW onsets. More importantly, the increase in shortwave radiative fluxes due to reduced cloudiness and increased 500 hPa geopotential height provide more favorable conditions for HW onsets. Compared to CNOP-P type conditions, RP type conditions have less influence on surface energy, moisture, and atmospheric circulation, making it difficult to create conditions conducive to HW onsets. This study explores the identification of land surface conditions that are more favorable for HW onsets, further deepens our understanding of HW onsets, and provides some insights into the development of early warning systems.</p>","PeriodicalId":15986,"journal":{"name":"Journal of Geophysical Research: Atmospheres","volume":"130 16","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144832510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Paleomagnetic Evidence for a Late Permian Qaidam-North China Connection, and the Cryptic Final Mesozoic Intra-Asian Suture","authors":"Teng Wang,&nbsp;Yanan Zhou,&nbsp;Douwe J. J. van Hinsbergen,&nbsp;Jiaopeng Sun,&nbsp;Xin Cheng,&nbsp;Ruiyang Chai,&nbsp;Shihua Xu,&nbsp;Pengfei Wang,&nbsp;Hanning Wu","doi":"10.1029/2025JB031123","DOIUrl":"https://doi.org/10.1029/2025JB031123","url":null,"abstract":"<p>Paleomagnetic data have long shown that the final assembly of eastern Eurasia occurred in the latest Jurassic, after the North China Block moved 1,000 s of km toward Eurasia throughout the late Paleozoic and Mesozoic. This was accommodated along the Solonker and Mongol-Okhotsk subduction zones whose sutures are well documented in (inner) Mongolia. During this time, one or more plate boundaries must have existed west of China to connect the (inner) Mongolian suture with the Paleotethyan plate boundaries. Paradoxically, no candidate Mesozoic plate boundary is known between North China and Eurasia to its west, in northern Tibet, the Tarim Basin, or the Tien Shan region. In this study, we show paleomagnetic pole from Upper Permian (255.7 ± 3.8 Ma) red beds from the Qaidam Block of northern Tibet, adjacent to the Tarim Basin, with positive fold test and corrected for inclination shallowing, with <i>D</i> = 348.7° ± 2.3°, <i>I</i> = 47° ± 2.5°, <i>λ</i> = 77.6°N, <i>ɸ</i> = 332.8°E, <i>A</i>₉₅ = 2.1°, <i>K</i> = 24.7, <i>N</i> = 199. These data reveal that Qaidam Block's paleolatitude was indistinguishable from that expected if it was part of North China but must have undergone ∼21° ± 2° (&gt;2,300 ± 220 km) paleolatitudinal motion relative to Eurasia since late Permian time. This suggests that the missing plate boundary (or boundaries), in the form of a transform or a subduction zone, must be sought around or within the Tarim Basin. This may form a starting point in a search for the cryptic, last intra-Asian suture(s) and calls for systematic regional restoration of circum-Tarim tectonic history.</p>","PeriodicalId":15864,"journal":{"name":"Journal of Geophysical Research: Solid Earth","volume":"130 8","pages":""},"PeriodicalIF":4.1,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144833257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Possible Linkage Between Barents–Kara Sea Ice Loss and Summer Precipitation Variability Over East Asia","authors":"JingChao Yang,&nbsp;XuanWen Zhang,&nbsp;ZhenFeng Ma,&nbsp;XianYu Wang","doi":"10.1029/2024EA004182","DOIUrl":"https://doi.org/10.1029/2024EA004182","url":null,"abstract":"<p>Arctic sea ice (ASI) loss is a prominent indicator of climate system change, affecting mid to low latitudes weather and climate through intricate interactions and feedback processes. However, it remains unclear whether ASI loss significantly affects summer precipitation in East Asia at interannual scales. This analysis explores how the spring Barents–Kara (BK) sea ice anomaly is linked to summer precipitation interannual variability in East Asia (100°−122.5°E, 21°–36°N) since 1979 by using reanalysis data sets and Community Atmosphere Model 5.4 (CAM 5.4) simulation experiments. Both observational results and numerical simulation results indicate that the summer precipitation anomalies associated with the BK sea ice anomaly exhibit a dipole pattern over East Asia. In response to persistent BK sea ice loss from spring to summer, a Rossby wave is generated, which extends from the Arctic to the Northwest Pacific. This atmospheric circulation anomalies weakens the Northwest Pacific Subtropical High and strengthens the western Northwest Pacific summer monsoon (WNPSM). The intensified WNPSM not only inhibits the transport of subtropical water vapor from the South Asian monsoon to North China but also induces divergence of the lower troposphere in North China and convergence over South China. Consequently, summer rainfall increases in the southern part of East Asia and decreases in the northern region. Additionally, the CAM 5.4 simulation experiments successfully replicate key atmospheric responses to BK sea ice loss. The results indicate that the spring ASI may affect summer precipitation over East Asia independently of the interannual variability in the Arctic Oscillation and El Niño‒Southern Oscillation.</p>","PeriodicalId":54286,"journal":{"name":"Earth and Space Science","volume":"12 8","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2024EA004182","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144833301","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Agent-based vulnerability model for pedestrians exposed to urban floodwaters","authors":"Qijie Li ,&nbsp;Junqiang Xia ,&nbsp;Zheng Xu ,&nbsp;Dongfang Liang ,&nbsp;Reinhard Hinkelmann","doi":"10.1016/j.jhydrol.2025.134058","DOIUrl":"10.1016/j.jhydrol.2025.134058","url":null,"abstract":"<div><div>Climate change-induced floods will have a profound impact on densely populated urban areas. The survey results indicate that a substantial proportion of respondents engaged in evacuation behavior during urban flooding events. However, current assessment methods may underestimate the impact of human motions in floodwaters on pedestrian evacuation safety. To quantitively study the dynamic vulnerability of individuals exposed to flooding scenarios, an agent-based vulnerability model was proposed based on mechanics modelling and experimentally calibrating. A full-scale physical testing platform was constructed and utilized to calibrate the proposed model and to determine the stability limits of pedestrian safety in floodwaters. Spatial and temporal dynamic characteristics of pedestrians were analyzed and results reveal significant variations in pedestrian movement and stability. The general temporal trend of movement speed changing as a power function of the specific flood force has been validated. It is also found that pedestrian stability is notably affected by movement in floodwaters, particularly when walking against the flow, which intensifies the risk of instability, leading to vulnerability indices that increase by 123.2 % at a depth of 0.3 m and by 82.7 % at 0.5 m compared to still-water conditions. In contrast, moving with the flow reduces hydrodynamic forces, although the rate of this reduction decreases with greater water depths, dropping to 16.0 % at 0.5 m and 9.7 % at 0.7 m. Additionally, this work provides guidelines for assessing pedestrian evacuation vulnerability that enhances evacuation safety and supports flood management.</div></div>","PeriodicalId":362,"journal":{"name":"Journal of Hydrology","volume":"662 ","pages":"Article 134058"},"PeriodicalIF":6.3,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144858232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}