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Large discrepancies in dominant microphysical processes governing mixed-phase clouds across climate models 控制混合相云的主要微物理过程在不同气候模式中的巨大差异
IF 9 1区 地球科学 Q1 METEOROLOGY & ATMOSPHERIC SCIENCES Pub Date : 2026-02-10 DOI: 10.1038/s41612-026-01342-7
Hannah C. Frostenberg, Montserrat Costa-Surós, Paraskevi Georgakaki, Ulrike Proske, Georgia Sotiropoulou, Eleanor May, David Neubauer, Patrick Eriksson, María Gonçalves Ageitos, Athanasios Nenes, Carlos Pérez García-Pando, Øyvind Seland, Luisa Ickes
The balance between liquid and ice in clouds remains a major challenge in climate modeling, largely due to uncertainties in ice-related processes. We investigate the relative importance of four microphysical processes—primary ice nucleation (PIN), secondary ice production (SIP), sedimentation, and transport of ice crystals—for the supercooled liquid fraction (SLF) in mixed-phase clouds using three global climate models: EC-Earth3-AerChem, NorESM2-MM, and ECHAM6.3-HAM2.3. All models identify PIN as the dominant influence on SLF at cold temperatures in high northern latitudes, but diverge elsewhere and for higher temperatures. Implementing a unified SIP parameterization produced varied model responses, revealing fundamental differences in how microphysical processes interact within each model framework. These discrepancies suggest that each model prioritizes different processes in shaping the cloud phase. Such divergence may limit the reliability of conclusions regarding microphysical processes drawn from any single model.
云中液体和冰之间的平衡仍然是气候模拟中的一个主要挑战,这主要是由于冰相关过程的不确定性。利用EC-Earth3-AerChem、NorESM2-MM和ECHAM6.3-HAM2.3三种全球气候模式,研究了四种微物理过程——一次冰成核(PIN)、二次冰生成(SIP)、沉积和冰晶输送——对混合相云中过冷液体组分(SLF)的相对重要性。所有模式都将PIN确定为北纬高纬度地区低温时对SLF的主要影响,但在其他地方和较高温度时则有所不同。实现统一的SIP参数化产生了不同的模型响应,揭示了微物理过程在每个模型框架中的交互方式的根本差异。这些差异表明,每个模型在形成云阶段时优先考虑不同的过程。这种分歧可能会限制从任何单一模型得出的关于微物理过程的结论的可靠性。
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引用次数: 0
Landslide susceptibility multi-scenario prediction in China under climate and land use change 气候与土地利用变化下中国滑坡易感性多情景预测
IF 6.1 1区 地球科学 Q1 GEOSCIENCES, MULTIDISCIPLINARY Pub Date : 2026-02-10 DOI: 10.1016/j.gr.2026.01.012
Jing Wang, Xiaoqing Wu, Deliang Sun, Haijia Wen, Qiang Zhang, Xuelian An, Youchen Zhu, Jin Tan, Chunzao Bu
China is highly vulnerable to landslide disaster. Climate change alters the frequency and intensity of extreme rainfall events, and, together with land use change and infrastructure expansion, future landslide susceptibility is showing an increasing trend. To scientifically assess the potential risk of landslide disasters in China under multiple future scenarios, this study divides China into six geographic regions based on geomorphic characteristics and selects multi-source geo-environmental factors as well as climate and land use data under multiple SSP-RCP scenarios (SSP1-2.6, SSP2-4.5, and SSP5-8.5) from Phase 6 of the Coupled Model Intercomparison Project (CMIP6). The CatBoost algorithm is used to construct landslide susceptibility models for each region in four time periods: 2020, 2050 s, 2070 s, and 2090 s, and a multi-scenario simulation analysis is carried out. The results show that the area under curve (AUC) values of all CatBoost models exceed 87% and surpass 95% in most scenarios. Relative to 2020, both the mean and median landslide-susceptibility index increase in future periods. Under the high-emissions scenario (SSP5-8.5), most regions in China exhibit rising susceptibility, whereas under the low-emissions scenario (SSP1-2.6) the increase is comparatively moderate. These findings highlight changing dynamics across China, underscore the value of region-specific modeling, and provide key insights for future disaster-risk management and mitigation.
中国极易遭受山体滑坡灾害。气候变化改变了极端降雨事件发生的频率和强度,加之土地利用变化和基础设施扩建,未来滑坡易感性呈增加趋势。为了科学评估未来多种情景下中国滑坡灾害的潜在风险,本研究基于地貌特征将中国划分为6个地理区域,选取耦合模式比对项目(CMIP6)第6阶段多源地质环境因子以及SSP1-2.6、SSP2-4.5和SSP5-8.5多个sspp - rcp情景下的气候和土地利用数据。利用CatBoost算法构建各区域在2020年、2050年 s、2070年 s和2090年 s四个时间段的滑坡易感性模型,并进行多场景模拟分析。结果表明,所有CatBoost模型的曲线下面积(AUC)值都超过87%,在大多数情况下都超过95%。相对于2020年,滑坡敏感性指数的平均值和中位数在未来时期都有所增加。在高排放情景(SSP5-8.5)下,中国大部分地区的敏感性呈上升趋势,而在低排放情景(SSP1-2.6)下,敏感性上升相对温和。这些发现突出了中国各地的变化动态,强调了特定区域建模的价值,并为未来的灾害风险管理和减灾提供了关键见解。
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引用次数: 0
Chronological development of gravitational slope deformation induced by upstream knickpoint migration 上游裂缝点偏移引起的重力斜坡变形的年代发展
IF 7.4 1区 工程技术 Q1 ENGINEERING, GEOLOGICAL Pub Date : 2026-02-10 DOI: 10.1016/j.enggeo.2026.108605
Masakazu Mashiko, Masahiro Chigira, Hirokazu Furuki, Takehiko Suzuki
Deep-seated gravitational slope deformation is slowly occurring, being affected by long-term river or glacial erosion and climatic change, as well as short-term impacts from precipitation and earthquakes. A geological field survey, high-resolution digital elevation model topographic analysis, drilling, and tephrochronological dating of sediments from the depressions of deep-seated gravitational slope deformation (DGSD) were performed to investigate the structural causes and chronological development of nearly 6-km linearly aligned ridge-top depressions within a Cretaceous accretional complex in the Chichibu area of central Japan. The DGSD occurred on slopes with a low-angle thrust fault that dips downslope, which was gradually exhumed at the riverbed by river erosion caused by the upstream knickpoint migration. The dating of the depression sediments and the characteristics of the ridge-top depressions indicate that the deformation process continued for 200,000 years with typical displacement rates ranging from 0.2 to 0.5 mm per year. The recent short-term rates observed over the past 18 years have been somewhat faster, averaging 0.69 mm per year. This rate discrepancy during the long and short terms might be attributed to the glacial ages during which DGSD could have been decelerated. The prevalence of low-angle thrust faults and DGSDs in Japan's Cretaceous accretional complex suggests that DGSDs exhibiting similar behavior could serve as a reference for such a complex.
深层重力斜坡变形是缓慢发生的,受到长期河流或冰川侵蚀和气候变化的影响,以及降水和地震的短期影响。通过野外地质调查、高分辨率数字高程模型地形分析、钻井和沉积物年代学分析,研究了日本中部秩部地区白垩纪增生杂岩中近6公里线性排列脊顶凹陷的构造成因和年代学发展。逆冲断层发育在低角度逆冲断层下倾的斜坡上,由上游断裂点运移引起的河流侵蚀作用逐渐在河床上掘出。坳陷沉积物测年和脊顶坳陷特征表明,变形过程持续了200000 年,典型位移率为0.2 ~ 0.5 mm /年。在过去的18 年中观测到的近期短期速率略快,平均每年0.69 毫米。这种长期和短期的速率差异可能归因于冰川时代,在此期间DGSD可能已经减速。日本白垩纪增生杂岩中低角度逆冲断层和dgsd的普遍存在表明,dgsd表现出类似的行为可以作为此类杂岩的参考。
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引用次数: 0
From capital to climate action: assessing the impact of china's green credit initiative on corporate emissions. 从资本到气候行动:评估中国绿色信贷倡议对企业排放的影响。
IF 5.8 3区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2026-02-10 DOI: 10.1186/s13021-026-00398-5
Saige Wang, Nan Xia, Ming Yang, Rou Peng, Huangying Gu, Guanyu Guo, Chengming Li

The transition toward low-carbon sustainable development is critical for transforming heavily polluting industries. Green credit policies are designed to direct capital toward environmentally friendly and low-carbon corporates. Using the introduction of China's Green Credit Guidelines in 2012 as a quasi-natural experiment, this study analyzes a panel of A-share listed companies from 2008 to 2021. Employing a Difference-in-Differences approach, we assess the impact of the green credit policy (GCP) on corporate carbon emissions. Empirical results indicate that GCP leads to a significant reduction in corporate carbon emissions. Baseline DID estimates show that treated corporates reduced emissions by approximately 13-19% compared to the control group, a finding that remains robust across a series of checks. The emission-reduction effect of GCP is more pronounced in corporations with a separated board leadership structure, higher profitability, central urban locations, and well-developed digital infrastructure. We identify two primary mechanisms through which GCP operates: imposing financial constraints that deter investment in carbon-intensive activities, and promoting green innovation, which facilitates the adoption of environmentally friendly technologies and practices. Further analysis reveals that both internal governance and external regulatory factors-such as stronger environmental awareness among executives, ISO 14,001 certification, enhanced intellectual property protection, and strict enforcement of the Three Simultaneous System-strengthen the effectiveness of GCP in reducing emissions. Through these channels, GCP supports the transition to a more sustainable economic pathway and contributes to global climate change mitigation.

向低碳可持续发展的转型对重污染行业的转型至关重要。绿色信贷政策旨在引导资本流向环境友好型和低碳企业。本研究以2012年中国绿色信贷指引的出台为准自然实验,对2008年至2021年a股上市公司进行面板分析。采用差异中的差异方法,我们评估了绿色信贷政策对企业碳排放的影响。实证结果表明,GCP导致企业碳排放显著减少。DID的基线估计显示,与对照组相比,经过处理的企业减少了约13-19%的排放量,这一发现在一系列检查中仍然是强有力的。在董事会分离型领导结构、盈利能力较高、位于城市中心、数字基础设施发达的企业中,GCP的减排效果更为显著。我们确定了GCP运作的两种主要机制:施加财政限制,阻止对碳密集型活动的投资;促进绿色创新,促进采用环境友好型技术和实践。进一步分析表明,内部治理和外部监管因素——如高管环保意识的增强、ISO 14001认证、知识产权保护的加强和“三同时”体系的严格执行——都增强了GCP在减排方面的有效性。通过这些渠道,GCP支持向更可持续的经济途径过渡,并为减缓全球气候变化作出贡献。
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引用次数: 0
Accumulation of volatiles under salt crusts in the highly evaporative Qaidam basin: Implications for salt crust fluid processes on Mars 柴达木盆地高蒸发盐壳下挥发物的积累:对火星盐壳流体过程的启示
IF 4.8 1区 地球科学 Q1 GEOCHEMISTRY & GEOPHYSICS Pub Date : 2026-02-10 DOI: 10.1016/j.epsl.2026.119904
Jiaming Zhu , Bo Wu , Zikang Li , Yiliang Li
The behavior of volatiles is critically important for understanding crustal fluids and the potential existence of a subsurface biosphere on Mars. However, our knowledge of the volatile cycle on Mars is limited by insufficient data from landed rovers and orbiter sensors. Halite salt crusts are widespread in the Qaidam Basin on the northern Tibetan Plateau due to strong evaporation under hyperarid climate conditions. We observed that the halite-dominated salt crust in the desiccated playa area diverts fluids percolating from depth to the surface, leading to the formation of raised polygonal rims enriched in gypsum. We drilled through the salt crust using a hand mill and measured the instantaneous gas concentrations and compositions. Beneath the halite salt crust, significantly higher concentrations of H2O, CO2, and CH4 were detected compared with levels in the atmospheric background and at the polygonal rims. The thickness of the salt crust ranges from approximately 0.3 to 1 m, with halite content primarily between 5 and 30 wt%, and is comparable in scale to the thickness (typically <3 m) and abundance (10–25 wt%) of chloride deposits on Mars. These results suggest that similar salt crust formation should also be common in Martian crater basins subjected to long-term evaporation under hyperarid conditions. Furthermore, such salt crusts could trap deep volatiles, including potential biogenic gases, which may be detectable by gas spectrometers aboard Mars landers.
挥发物的行为对于理解地壳流体和火星地下生物圈的潜在存在至关重要。然而,我们对火星上的挥发周期的了解受到着陆的漫游者和轨道器传感器的数据不足的限制。青藏高原北缘柴达木盆地由于极端干旱气候条件下的强烈蒸发作用,形成了广泛的岩盐结壳。我们观察到,在干燥的干盐湖区,以岩盐为主的盐壳将流体从深处渗透到地表,导致形成了富含石膏的凸起的多边形边缘。我们用手磨钻穿盐壳,测量瞬时气体浓度和成分。在盐岩盐壳下,检测到的H2O、CO2和CH4浓度明显高于大气背景和多边形边缘的水平。盐壳的厚度大约在0.3到1米之间,岩盐含量主要在5到30 wt%之间,与火星上氯化物沉积物的厚度(通常为3 m)和丰度(10-25 wt%)在规模上相当。这些结果表明,在极端干旱条件下长期蒸发的火星陨石坑盆地中,类似的盐壳形成也应该是常见的。此外,这样的盐壳可能会捕获深层挥发物,包括潜在的生物气体,这可能会被火星着陆器上的气体光谱仪探测到。
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引用次数: 0
A Continuum of Slow Slip Events in the Cascadia Subduction Zone Illuminated by High-Resolution Deep-Learning Denoising 高分辨率深度学习降噪技术揭示的Cascadia俯冲带慢滑事件连续体
IF 5.2 1区 地球科学 Q1 GEOSCIENCES, MULTIDISCIPLINARY Pub Date : 2026-02-10 DOI: 10.1029/2025gl117446
Giuseppe Costantino, Mathilde Radiguet, Zaccaria El Yousfi, Anne Socquet
Slow, aseismic fault slip has emerged as a significant contributor to the seismic cycle. However, whether slow and fast slip arise from similar physical processes remains unresolved, due to detection biases affecting noisy surface measurements and the analysis of the source properties of slow slip. Using daily geodetic time series denoised with a deep learning model, we invert for 15 years of slow slip evolution on the Cascadia subduction with unprecedented temporal resolution. Our observations show that an upper bound for slow-slip moment rates exists, and that scaling laws are strongly influenced by the chosen detection threshold and the signal-to-noise ratio. Moment rate functions evolve with magnitude: slow slip nucleates as a two-dimensional expanding crack, propagating laterally when encountering the along-dip limits of the transition zone. Our findings highlight a continuum of slow slip events of various sizes controlled by subduction interface geometrical constraints.
缓慢的地震断层滑动已经成为地震周期的重要贡献者。然而,由于检测偏差影响噪声表面测量和慢滑源特性分析,慢滑和快滑是否来自相似的物理过程仍未解决。利用深度学习模型去噪的每日大地测量时间序列,我们以前所未有的时间分辨率反演了卡斯卡迪亚俯冲15年的慢滑演化。我们的观察表明,存在慢滑矩率的上界,并且标度律受到所选择的检测阈值和信噪比的强烈影响。弯矩速率函数随量级演化:慢滑形核为二维扩展裂纹,当遇到过渡区的沿倾极限时向横向扩展。我们的发现强调了由俯冲界面几何约束控制的不同规模的慢滑事件的连续体。
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引用次数: 0
Analysis of the 18 August 2022 western Mediterranean derecho: Atmospheric dynamics and impacts over the northwestern Italian coast 2022年8月18日地中海西部风暴分析:大气动力学及其对意大利西北海岸的影响
IF 5.5 2区 地球科学 Q1 METEOROLOGY & ATMOSPHERIC SCIENCES Pub Date : 2026-02-10 DOI: 10.1016/j.atmosres.2026.108858
Elenio Avolio, Mario Marcello Miglietta, Claudia Fanelli, Martina Lagasio, Mekdes Tadesse Mengistu, Massimo Milelli, Antonio Parodi, Andi Xhelaj, Massimiliano Burlando
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引用次数: 0
Was the mantle warmer when Pangea broke up? insights from initial oceanic crustal thickness alongside the rifted margins of the Atlantic and Indian Oceans 盘古大陆分裂时地幔变暖了吗?从大西洋和印度洋裂谷边缘的初始海洋地壳厚度来看
IF 4.8 1区 地球科学 Q1 GEOCHEMISTRY & GEOPHYSICS Pub Date : 2026-02-09 DOI: 10.1016/j.epsl.2026.119897
Daniel Sauter , Gianreto Manatschal , Nick Kusznir , Nicolas Coltice , Pauline Chenin , Marc Ulrich , Marie Garbaciak , Philippe Werner
Insulation by the Pangean supercontinent has been suggested to have resulted in subcontinental mantle thermal anomalies and enhanced magmatic activity that may have influenced continental breakup. However, the thermal state of the mantle during the rifting of Pangea is not well established by geophysical and geochemical data. We present a compilation of oceanic crustal thicknesses next to the rifted margins of the Atlantic and Indian Oceans to investigate the variations of magma budget along the initial spreading centers, and thus the thermal state of the mantle immediately after breakup. We show that the initial oceanic crustal thickness values show a bimodal distribution with two modes centered around ∼5.5 km and ∼6.7 km. The first mode (∼5.5 km) corresponds mostly to initial oceanic crusts from the Equatorial Atlantic and is thinner than present-day normal oceanic crust (∼6.1 km thick). It could result from a cold thermal anomaly related to thick pre-opening equatorial continental lithosphere. The thicker than normal oceanic crusts of the second mode (∼6.7 km) could result from a small positive mantle potential temperature anomaly of 9–15 °C. In the Central Atlantic, which opened in Jurassic time after the Central Atlantic Magmatic Province event, this thermal anomaly could reach ∼60 °C at most to produce ∼9 km thick initial oceanic crust. We thus propose that the insulation effect of Pangea might have controlled locally the thermal state of the asthenosphere but it cannot be considered as a generally ubiquitous effect associated with the breakup of Pangea.
泛古大陆的隔离作用被认为导致了次大陆地幔热异常和岩浆活动的增强,这可能影响了大陆的分裂。然而,地球物理和地球化学资料尚未很好地确定盘古大陆裂谷期地幔的热状态。我们对大西洋和印度洋裂谷边缘附近的海洋地壳厚度进行了汇编,以研究沿初始扩张中心的岩浆收支变化,从而研究破裂后地幔的热状态。结果表明,初始海洋地壳厚度值呈双峰分布,以~ 5.5 km和~ 6.7 km为中心有两个模态。第一模态(~ 5.5 km)主要对应于来自赤道大西洋的初始海洋地壳,比现在的正常海洋地壳(~ 6.1 km厚)薄。它可能是由一个与厚的赤道大陆岩石圈有关的冷热异常引起的。第二模态洋壳比正常洋壳厚(~ 6.7 km)可能是由9-15°C的小正地幔位温度异常引起的。在中大西洋岩浆省事件后侏罗纪时期开放的中大西洋,这种热异常最高可达~ 60°C,产生~ 9 km厚的初始洋壳。因此,我们认为盘古大陆的绝热作用可能局部控制了软流层的热状态,但它不能被认为是与盘古大陆分裂有关的普遍存在的效应。
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引用次数: 0
Fully coupled conditional simulation of geological and geotechnical variabilities for sparse geotechnical data in three dimensions 三维稀疏岩土数据的地质和岩土变化的完全耦合条件模拟
IF 7.4 1区 工程技术 Q1 ENGINEERING, GEOLOGICAL Pub Date : 2026-02-09 DOI: 10.1016/j.enggeo.2026.108609
Jianye Ching, Hassan Kamyab Farahbakhsh, Jiun-Shiang Wang, Xiang Li, Hui Wang
This study proposes a fully coupled conditional simulation framework for jointly characterizing geological uncertainty and geotechnical variability under sparse site investigation data. In conventional practice, soil-category simulation (Task 1, T1) and soil-property simulation (Task 2, T2) are treated in a decoupled manner, conditioning on observed categorical data (L) and continuous soil property data (X) separately. The proposed framework departs from this paradigm by adopting a fully coupled strategy in which both L and X are simulated by conditioning jointly on {L, X}, thereby explicitly accounting for their statistical dependence. Implementing such a framework requires knowledge of site-specific X-L and X-X correlations, which are often weakly identifiable from sparse target-site data. To address this challenge, a modified hierarchical Bayesian model (HBM) is developed to learn these correlation characteristics from a newly compiled global soil database and transfer them to the target site as an informative prior. The framework is further equipped with an efficient conditional simulation algorithm for X, enabling practical three-dimensional applications. The performance and advantages of the proposed framework are demonstrated through a real case study and comparative analyses with existing methods.
本研究提出了一种全耦合条件模拟框架,用于在稀疏场地调查数据下联合表征地质不确定性和岩土变异性。在常规实践中,土壤类别模拟(Task 1, T1)和土壤性质模拟(Task 2, T2)被解耦处理,分别对观测到的分类数据(L)和连续的土壤性质数据(X)进行调节。所提出的框架通过采用一种完全耦合的策略来脱离这种范式,在这种策略中,L和X都是通过{L, X}共同条件作用来模拟的,从而明确地考虑到它们的统计依赖性。实现这样的框架需要了解特定于站点的X-L和X-X相关性,这些相关性通常很难从稀疏的目标站点数据中识别出来。为了解决这一挑战,研究人员开发了一种改进的分层贝叶斯模型(HBM),从新编译的全球土壤数据库中学习这些相关性特征,并将其作为信息先验转移到目标地点。该框架还配备了高效的X条件模拟算法,实现了实际的三维应用。通过实际案例研究和与现有方法的比较分析,证明了该框架的性能和优势。
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引用次数: 0
Towards language-based retrieval of complex geospatial data: A case study on UK National geographic database 基于语言的复杂地理空间数据检索:以英国国家地理数据库为例
IF 7.5 1区 地球科学 Q1 Earth and Planetary Sciences Pub Date : 2026-02-09 DOI: 10.1016/j.jag.2026.105145
Hailun Xie, Arjun Biswas, Steve Coupland, Ben Dickens, Jeremy Morley, Hywel Williams
Retrieving granular information from large-scale geospatial databases is challenging and can require significant domain expertise, owing to complex data taxonomies and hierarchical data structures related to geometry and topology. In this research, a multi-agent system is developed that uses large language models (LLMs) for geospatial information retrieval based on natural language queries. The proposed solution employs LLMs within three agents that decompose data retrieval into sub-tasks: human instruction comprehension; data collection identification; and feature category screening. The three agents collaborate in a sequential workflow to accumulate knowledge and identify a pathway to the correct information within a hierarchical data structure. A data retrieval module subsequently interprets the search extent and retrieves data through API calls to the underlying databases. The proposed approach is evaluated in a case study with a large and complex geospatial database, the National Geographic Database operated by Ordnance Survey in the UK. Evaluation was based on a total of 83 sample queries, i.e. 40 human queries collected from volunteers, 40 synthetic queries generated by LLM, and 3 queries selected from a benchmark database. The proposed system answered majority of the queries successfully, namely 22 out of the 31 valid human queries, 29 out of 37 effective synthetic queries, and all 3 queries from the benchmark dataset. This demonstrates good potential for flexible data retrieval, locating a variety of geographical features from different data collections in response to natural language questions about tennis courts, public car parks, and restaurants, etc. The multi-agent solution was also evaluated using OpenStreetMap and the results demonstrate the transferability of the proposed method in handling different data taxonomies and structures. Our findings also highlight several research challenges around the “AI readiness” of documentation, complex geospatial data taxonomies, ambiguity in human language, and complex spatial reasoning. Overall, our study addresses two major research gaps: (1) the use of unstructured natural language to accurately retrieve geospatial information; and (2) the use of LLMs to navigate multiple heterogeneous datasets in a hierarchical data taxonomy.
由于复杂的数据分类法和与几何和拓扑相关的分层数据结构,从大型地理空间数据库中检索粒度信息具有挑战性,并且可能需要大量的领域专业知识。在本研究中,开发了一个基于自然语言查询的多智能体系统,该系统使用大语言模型(llm)进行地理空间信息检索。提出的解决方案在三个代理中使用llm,将数据检索分解为子任务:人类指令理解;数据收集识别;以及功能类别筛选。这三个代理在一个顺序的工作流中协作,以积累知识,并在分层数据结构中确定通往正确信息的途径。数据检索模块随后解释搜索范围,并通过对底层数据库的API调用检索数据。建议的方法在一个大型和复杂的地理空间数据库的案例研究中进行了评估,该数据库是由英国地形测量局运营的国家地理数据库。评估基于总共83个样本查询,即从志愿者收集的40个人工查询,由LLM生成的40个合成查询,以及从基准数据库中选择的3个查询。提议的系统成功回答了大多数查询,即31个有效人工查询中的22个,37个有效合成查询中的29个,以及来自基准数据集的所有3个查询。这显示了灵活数据检索的良好潜力,从不同的数据集合中定位各种地理特征,以响应关于网球场、公共停车场和餐馆等的自然语言问题。使用OpenStreetMap对多智能体解决方案进行了评估,结果表明该方法在处理不同的数据分类和结构方面具有可移植性。我们的研究结果还强调了围绕文档的“人工智能准备”、复杂的地理空间数据分类、人类语言的模糊性和复杂的空间推理的几个研究挑战。总体而言,我们的研究解决了两个主要的研究空白:(1)使用非结构化自然语言准确检索地理空间信息;(2)使用llm在分层数据分类法中导航多个异构数据集。
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引用次数: 0
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