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Land-N2N: An effective and efficient model for simulating the demand-driven changes in multifunctional lands Land-N2N:一个模拟多功能土地需求驱动变化的有效模型
IF 4.8 2区 环境科学与生态学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-02-01 DOI: 10.1016/j.envsoft.2025.106318
Yifan Gao, Changqing Song, Zhifeng Liu, Sijing Ye, Peichao Gao
Land is multifunctional. Among all land change models, the only model capable of modeling multifunctional land changes is the CLUMondo model. However, the CLUMondo model is ineffective and inefficient. In the study, we addressed the problems by improving the CLUMondo model through four strategies, resulting in the improved version named “Land-N2N”. To evaluate the Land-N2N model, we designed six comparative experiments. In these experiments, we established the land systems using an upscaling approach based on Globeland30 data. Our finding shows that the effectiveness and efficiency of the Land-N2N model are better than the CLUMondo model. Specifically, the effectiveness of the Land-N2N model improved by 36% when measured with Kappa and by 377% when measured with Figure of Merit (FoM). Additionally, the efficiency of the Land-N2N model increased by 80%. The utility of the Land-N2N model lies in its ability to offer scientific solutions for land management by forecasting land changes.
土地是多功能的。在所有的土地变化模型中,唯一能够模拟多功能土地变化的模型是clondo模型。然而,克隆多模型是无效和低效的。在本研究中,我们通过四种策略对clondo模型进行了改进,从而得到了改进版本“Land-N2N”。为了评价Land-N2N模型,我们设计了6个比较实验。在这些实验中,我们使用基于Globeland30数据的升级方法建立了土地系统。结果表明,Land-N2N模型的有效性和效率均优于克隆多模型。具体来说,Land-N2N模型的有效性在用Kappa测量时提高了36%,在用优点图(FoM)测量时提高了377%。此外,Land-N2N模型的效率提高了80%。land - n2n模型的实用性在于它能够通过预测土地变化为土地管理提供科学的解决方案。
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引用次数: 0
Ensemble data assimilation for operational streamflow predictions in the next generation (NextGen) framework 下一代(NextGen)框架中用于操作流预测的集成数据同化
IF 4.8 2区 环境科学与生态学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-02-01 DOI: 10.1016/j.envsoft.2024.106306
Ehsan Foroumandi , Hamid Moradkhani , Witold F. Krajewski , Fred L. Ogden
The National Weather Service (NWS) operates the National Water Model (NWM) to provide continental-scale streamflow forecasting across the United States. Despite the broad scope of NWM, it faces limitations in delivering operational-level predictions. To overcome these limitations, the NWS embarked on development of the Next Generation Water Resources Modeling Framework (NextGen). However, a key shortcoming of the NextGen and NWM is the lack of robust data assimilation (DA) step. This study provides a DA module that incorporates the Ensemble Kalman Filter (EnKF), and the Particle Filter (PF) for use within the NextGen framework. The effectiveness of the developed module is evaluated by assimilating the in-situ observations to the Conceptual Functional Equivalent model, a simplified version of the current NWM, demonstrating the first advanced DA application on this model. The results show that both DA methods effectively enhance the performance of the model prediction, while the PF outperforms the EnKF.
美国国家气象局(NWS)运行国家水模型(NWM),提供全美国大陆尺度的河流流量预报。尽管NWM的范围很广,但它在提供操作级预测方面面临限制。为了克服这些限制,NWS开始开发下一代水资源建模框架(NextGen)。然而,下一代和NWM的一个主要缺点是缺乏稳健的数据同化(DA)步骤。本研究提供了一个集成了集成卡尔曼滤波器(EnKF)和粒子滤波器(PF)的数据处理模块,用于NextGen框架。开发的模块的有效性通过将现场观测同化到概念功能等效模型(当前NWM的简化版本)来评估,展示了该模型上的第一个高级数据分析应用。结果表明,两种数据分析方法都能有效地提高模型的预测性能,而PF方法优于EnKF方法。
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引用次数: 0
Simple analysis of biodiversity response functions and multipliers for biodiversity offsetting and other applications 生物多样性响应函数和乘数在生物多样性补偿和其他应用中的简单分析
IF 4.8 2区 环境科学与生态学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-02-01 DOI: 10.1016/j.envsoft.2025.106322
Atte Moilanen , Pauli Lehtinen
Biodiversity offsets mean compensation for ecological losses caused by construction, development, land use or other human activities. They are commonly implemented via protection, restoration, or maintenance of habitats. The goal of offsetting is usually no net loss (NNL), which means that all net losses to biodiversity are fully compensated by commensurate net gains achieved via said offset actions. Here we collate and develop simple calculations for the determination of offset size (area) in the context of so-called multiplier approaches to offsets. We focus on the analysis of the response of habitat condition to action, which is a critical component of multiplier calculations, because the effectiveness and speed of different conservation actions and interventions can vary significantly. An excel application and R-code are included that implement calculations on offset response functions. The proposed methods are also relevant for other applications, including the generation of biodiversity credits for biodiversity credit markets.
生物多样性补偿是指补偿因建设、开发、土地利用或其他人类活动造成的生态损失。它们通常通过保护、恢复或维护栖息地来实现。抵消的目标通常是无净损失(NNL),这意味着生物多样性的所有净损失都可以通过上述抵消行动获得相应的净收益来充分补偿。在这里,我们整理和开发简单的计算,以确定所谓的乘数方法的偏移量大小(面积)的背景下。我们重点分析生境条件对行动的响应,这是乘数计算的关键组成部分,因为不同的保护行动和干预措施的有效性和速度可能会有很大差异。包括一个excel应用程序和r -代码,实现对偏移响应函数的计算。所提出的方法也适用于其他应用,包括为生物多样性信用市场生成生物多样性信用。
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引用次数: 0
Integrated models of nutrient dynamics in lake and reservoir watersheds: A systematic review and integrated modelling decision pathway 湖泊与水库流域营养动态综合模型:系统综述与综合建模决策途径
IF 4.8 2区 环境科学与生态学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-02-01 DOI: 10.1016/j.envsoft.2025.106321
Floran Clopin , Ilaria Micella , Jorrit P. Mesman , Ma Cristina Paule-Mercado , Marina Amadori , Shuqi Lin , Lisette N. de Senerpont Domis , Jeroen J.M. de Klein
Eutrophication of inland water bodies is a serious environmental threat. This review explores current integrated models for lake and reservoir ecosystems that focus on nutrient dynamics at a catchment scale. Many studies applied either watershed or lake/reservoir models, however, 49 studies were finally selected that combined both. We derived a list of 21 watershed models, 23 lake/reservoir models, and 6 hybrid models in different sets of combinations, with a range of objectives (e.g. understanding the natural processes, predicting, and analysing climate change and land-use scenarios, or evaluating the different management options). Some integrated models had multiple applications whereas others were only applied once, with an uneven global geographical distribution.
To aid model selection by future users, we present a support tool discriminating the models by their features and application fields. This study encourages the development of open-source tools aiding interdisciplinary collaborations and further research in the field of integrated modelling.
内陆水体的富营养化是一个严重的环境威胁。本文综述了目前湖泊和水库生态系统的综合模型,这些模型侧重于流域尺度上的营养动态。许多研究要么采用流域模型,要么采用湖泊/水库模型,但最终选择了49项将两者结合起来的研究。我们得出了21个流域模型、23个湖泊/水库模型和6个不同组合的混合模型,这些模型具有一系列目标(如理解自然过程、预测和分析气候变化和土地利用情景,或评估不同的管理方案)。一些综合模型有多个应用,而另一些模型只应用一次,全球地理分布不均衡。
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引用次数: 0
Geo-WC: Custom web components for earth science organizations and agencies Geo-WC:为地球科学组织和机构定制的web组件
IF 4.8 2区 环境科学与生态学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-02-01 DOI: 10.1016/j.envsoft.2025.106328
Sümeyye Kaynak , Baran Kaynak , Carlos Erazo Ramirez , Ibrahim Demir
The development of web technologies and their integration into various fields has allowed a new era in data-driven decision-making and public data accessibility, especially through their adoption of monitoring and quantification environmental resources provided by governmental institutions. The use of web technologies has made it possible to create applications that can be accessed and used by a wide user base. However, dealing with the complexity of environmental data and non-standard data formats remains a hindering issue. To overcome these challenges and obtain up-to-date information from different institutions, we present Geo-WC: a web component framework specifically designed for earth and environmental sciences, serving as a bridge across various scientific domains. The Geo-WC utilizes a developer-friendly approach through simple HTML declarative syntax to bring together data in a single interface that is easy for developers to work with, making it accessible to users of varying skill levels. The framework integrates widely used web technologies, facilitating client-side data analysis, visualization, and accessibility within web browsers.
网络技术的发展及其与各个领域的融合,使得数据驱动的决策和公共数据可访问性进入了一个新时代,特别是通过采用政府机构提供的环境资源监测和量化。网络技术的使用使得创建可以被广泛用户群访问和使用的应用程序成为可能。然而,处理环境数据和非标准数据格式的复杂性仍然是一个阻碍问题。为了克服这些挑战并从不同的机构获取最新的信息,我们提出了Geo-WC:一个专门为地球和环境科学设计的网络组件框架,作为跨各个科学领域的桥梁。Geo-WC采用一种开发人员友好的方法,通过简单的HTML声明性语法将数据汇集到一个界面中,该界面易于开发人员使用,使不同技能水平的用户都可以访问。该框架集成了广泛使用的web技术,促进了客户端数据分析、可视化和web浏览器内的可访问性。
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引用次数: 0
Development of optimal parameter determination algorithm for two-dimensional flow analysis model 二维流动分析模型最优参数确定算法的发展
IF 4.8 2区 环境科学与生态学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-02-01 DOI: 10.1016/j.envsoft.2025.106331
Eun Taek Shin , Se Hyuck An , Sung Won Park , Seung Oh Lee , Chang Geun Song
Accurate parameter selection is crucial for reliable predictions in fluid dynamics, environmental transport, and urban flood prediction. Traditional manual methods are time-consuming and prone to errors. This study introduces an automated algorithm to optimize roughness and viscosity coefficients in two-dimensional flow analysis models. Our algorithm automates the simulation process within specified parameter ranges, using Root Mean Square Error (RMSE) to compare results with experimental data. Applied to a diverging channel and an abruptly widening channel, the algorithm successfully identified optimal parameters, accurately matching experimental observations. Heatmaps visualize RMSE values, facilitating optimal parameter identification. This advancement enhances model efficiency and accuracy, streamlining the parameter determination process and offering a robust method for hydraulic modeling.
准确的参数选择对于流体动力学、环境运输和城市洪水预测的可靠预测至关重要。传统的手工方法既费时又容易出错。本文介绍了一种二维流动分析模型中粗糙度和粘度系数的自动优化算法。我们的算法在指定的参数范围内自动模拟过程,使用均方根误差(RMSE)将结果与实验数据进行比较。将该算法应用于发散信道和突然加宽信道,成功地识别出最优参数,与实验观测值准确匹配。热图可视化RMSE值,便于最佳参数识别。这一进步提高了模型的效率和准确性,简化了参数确定过程,并为水力建模提供了一种鲁棒方法。
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引用次数: 0
Automating physics-based models to estimate thermoelectric-power water use
IF 4.8 2区 环境科学与生态学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-02-01 DOI: 10.1016/j.envsoft.2024.106265
M.A. Harris , T.H. Diehl , L.E. Gorman Sanisaca , A.E. Galanter , M.A. Lombard , K.D. Skinner , C. Chamberlin , B.A. McCarthy , R. Niswonger , J.S. Stewart , K.J. Valseth
Thermoelectric (TE) power plants withdraw more water than any other sector of water use in the United States and consume water at rates that can be significant especially in water-stressed regions. Historical TE water-use data have been inconsistent, incomplete, or discrepant, resulting in an increased research focus on improving the accuracy and availability of TE water-use data using modeling approaches. This paper describes and benchmarks new code that was developed to automate and update a physics-based TE water use model that was previously published. Utilizing the automated physics-based model, monthly TE-power water withdrawal and consumption were calculated for a total of 1341 TE power plants for the 2008–2020 historical reanalysis. The updated and automated physics-based thermoelectric-power water-use model provides spatially and temporally relevant TE water-use estimates that are consistent, reproducible, transparent, and can be generated efficiently for water-using, utility-scale TE-power plants across conterminous United States (CONUS).
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引用次数: 0
A coupled multiscale description of seasonal Physical–BioGeoChemical dynamics in Southern Ocean Marginal Ice Zone 南大洋边缘冰带季节物理-生物地球化学动力学的多尺度耦合描述
IF 4.8 2区 环境科学与生态学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-02-01 DOI: 10.1016/j.envsoft.2024.106270
Raghav Pathak , Seyed Morteza Seyedpour , Bernd Kutschan , Silke Thoms , Tim Ricken
Sea ice in the polar oceans plays a significant role in regulating global climate and biological ecosystems. During the winter months, seawater freezes to form porous ice, which also serves as a habitat for sea ice algae to survive in harsh winter conditions. However, accurate description of mechanisms and interactions associated with formation of ice, and its interaction with photosynthesis and carbon assimilation have not been well understood. This paper presents a modeling framework to describe coupled small scale Physical (P) and BioGeoChemical (BGC) processes associated with sea ice. Critical processes associated with photosynthesis along with growth and loss of algal carbon are considered. Appropriate parametrization for environmental factors such as temperature, light, salinity, and nutrients are employed to model the photosynthetic rate. Summer and winter environmental conditions are presented and discussed in detail. Finally, monthly data is taken from literature to simulate a typical year in the Southern Ocean.
极地海洋的海冰在调节全球气候和生物生态系统方面发挥着重要作用。在冬季的几个月里,海水冻结形成多孔冰,这也为海冰藻类提供了栖息地,使其在严酷的冬季条件下生存。然而,对冰形成的机制和相互作用及其与光合作用和碳同化的相互作用的准确描述尚未得到很好的理解。本文提出了一个描述与海冰相关的小尺度物理(P)和生物地球化学(BGC)耦合过程的模型框架。考虑了与光合作用相关的关键过程以及藻类碳的生长和损失。适当的参数化环境因素,如温度、光、盐度和营养物质被用来模拟光合速率。对夏季和冬季的环境条件进行了详细的介绍和讨论。最后,从文献中提取月度数据来模拟南大洋的典型年份。
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引用次数: 0
VERE Py-framework: Dual environment for physically-informed machine learning in seismic landslide hazard mapping driven by InSAR VERE Py-框架:InSAR 驱动的地震滑坡灾害绘图中物理信息机器学习的双重环境
IF 4.8 2区 环境科学与生态学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-02-01 DOI: 10.1016/j.envsoft.2024.106287
Gerardo Grelle , Luigi Guerriero , Domenico Calcaterra , Diego Di Martire , Chiara Di Muro , Enza Vitale , Giuseppe Sappa
The VERE framework was designed and developed in Python to generate hazard confidence maps for seismic-induced landslides, leveraging advanced data analysis and machine learning capabilities. A Virtual Environment (VE) and a Real Environment (RE) containing, respectively, datasets and map sets, are the core of the framework. The Virtual Environment (VE) comprises datasets including morphometric, geotechnical, and hydrological metadata, which are generated assuming a normal distribution, based on representative recurrent values of these parameters in the study area. The Real Environment (RE) includes grid datasets with a common resolution, obtained through analytical preprocessing of various spatial data distributions, including InSAR (Interferometric Synthetic Aperture Radar) data. This data is processed to detect ongoing slope instability and the activity state of surveyed landslides. The framework employs numerical machine learning, trained on meta-solutions derived from an advanced simplified physical model. The model accounts for viscoplastic behavior as well as the reduction of shear strengths toward the residual state during seismic-induced sliding. Hazard confidence maps are produced through an ML-based prediction, considering co-seismic displacements and post-seismic mobility under different initial porewater pressures and seismicity scenarios. The test-site region is the Sele River valley located in an inter-Apennine sector of southern Italy, a seismic-prone area known for its recent seismic activity.
VERE 框架是用 Python 设计和开发的,目的是利用先进的数据分析和机器学习能力,生成地震诱发的滑坡的危险置信度地图。虚拟环境(VE)和真实环境(RE)分别包含数据集和地图集,是该框架的核心。虚拟环境(VE)由数据集组成,其中包括形态测量、岩土工程和水文元数据,这些数据集是根据研究区域中这些参数的代表性经常值假设正态分布生成的。真实环境 (RE) 包括具有通用分辨率的网格数据集,这些数据集是通过对各种空间数据分布(包括 InSAR(干涉合成孔径雷达)数据)进行分析预处理而获得的。这些数据经过处理后,可用于检测正在发生的斜坡不稳定性和已勘测滑坡的活动状态。该框架采用了数值机器学习技术,根据高级简化物理模型得出的元解决方案进行训练。该模型考虑了粘塑性行为以及地震诱发滑动过程中剪切强度向残余状态的降低。考虑到不同初始孔隙水压力和地震强度情况下的共震位移和震后流动性,通过基于 ML 的预测生成了灾害置信度图。试验地点区域是位于意大利南部亚平宁山脉间的塞勒河流域,该地区是地震多发区,近期地震活动频繁。
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引用次数: 0
Amadeus: Accessing and analyzing large scale environmental data in R
IF 4.8 2区 环境科学与生态学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2025-01-31 DOI: 10.1016/j.envsoft.2025.106352
Mitchell Manware , Insang Song , Eva S. Marques , Mariana Alifa Kassien , Lara P. Clark , Kyle P. Messier
Environmental health research increasingly uses large scale spatial data to understand relationships between environmental factors and health outcomes. Data access and analysis tools which improve the timeliness and reproducibility of environmental health research are crucial for advancing the field. We present the amadeus package for R, a tool to improve access to and utility with large scale environmental data, primarily covering the United States. amadeus aims to reduce the learning curve for conducting spatial data analyses in R by providing functions which download, process, and calculate covariates from various publicly available environmental data sources. The functions promote interoperability with popular spatial data R packages and integration across other programming languages. Created and maintained with test-driven development, amadeus supports the reproducibility of environmental data acquisition and preparation. The amadeus package has diverse data access and integration applications, ranging from health-oriented studies in environmental epidemiology to ecology and climatology.
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引用次数: 0
期刊
Environmental Modelling & Software
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