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  • Article
  • Open Access

A Scalable GEOBIA Framework for Urban Landscape Monitoring with Sentinel-2 Data: A Case Study in Hue City, Vietnam

  • Md Abdul Mueed Choudhury,
  • Giuseppe Modica,
  • Salvatore Praticò and
  • Ernesto Marcheggiani

15 March 2026

The Copernicus Sentinel-2 (S2) data are a crucial resource for urban policymakers in land-cover classification, offering a freely accessible alternative to expensive commercial data sources. While medium spatial resolution often limits the applicabil...

  • Article
  • Open Access

Spatial Variation in Transport-Related Particulate Matter Fractions Across Urban Districts in Padang, Indonesia: Evidence from Nano Sampler-Based Measurements

  • Vera Surtia Bachtiar,
  • Purnawan Purnawan,
  • Reri Afrianita,
  • Yega Serlina,
  • Haldi Reivan Thamrin,
  • Zulva Shabri and
  • Assyifa Raudina

15 March 2026

Urban transport is a major contributor to particulate matter (PM) pollution, yet information on the spatial distribution of fine and ultrafine particle fractions remains limited in medium-sized tropical cities. This study examines the spatial variabi...

  • Article
  • Open Access
107 Views
32 Pages

12 March 2026

Agricultural carbon emissions, a key part of terrestrial carbon emissions, affect global carbon accounting, with historical data scarcity adding to calculation difficulty. Exploring agricultural planting structure evolution can supplement historical...

  • Article
  • Open Access
134 Views
32 Pages

12 March 2026

Monitoring surface water quality over large river systems remains challenging due to sparse in situ sampling and the need for decision-ready indicators. This study aims to address this problem by developing and evaluating an integrated Landsat 8-base...

  • Article
  • Open Access
195 Views
17 Pages

11 March 2026

Socio-ecological production landscapes (SEPLs) are places that support and are supported by biodiversity and that play important roles in maintaining biodiversity as well as providing the goods and services that society demands. SEPLs exist with, by...

  • Article
  • Open Access
156 Views
13 Pages

11 March 2026

The sugarcane industry in South Africa is ranked among the top 15 producers worldwide and plays a significant role in supporting the nation’s socioeconomic development, producing approximately 2.3 million tons annually. Harvesting is largely la...

  • Review
  • Open Access
716 Views
43 Pages

A Comprehensive Review of Machine Learning and Deep Learning Methods for Flood Inundation Mapping

  • Abinash Silwal,
  • Anil Subedi,
  • Rajee Tamrakar,
  • Kshitij Dahal,
  • Dewasis Dahal,
  • Kenneth Okechukwu Ekpetere and
  • Mohamed Zhran

9 March 2026

Flood inundation mapping (FIM) is essential in disaster risk management, infrastructure planning, and climate adaptation. Traditional hydrodynamic models, such as the Hydrologic Engineering Center’s River Analysis System (HEC-RAS) and LISFLOOD-...

  • Article
  • Open Access
206 Views
35 Pages

6 March 2026

Assessment of landslide risk is crucial given the substantial related economic losses and infrastructure damage in mountain areas every year. Particularly, the Sagarmatha National Park (SNP), a key destination for Himalayan glacier tourism, remains r...

  • Article
  • Open Access
316 Views
20 Pages

6 March 2026

Southern Africa is highly sensitive to climate variability associated with the El Niño Southern Oscillation (ENSO), which strongly influences hydroclimate, vegetation dynamics, and atmospheric composition. This study examined the impacts of th...

  • Systematic Review
  • Open Access
232 Views
20 Pages

A Systematic Review of River Discharge Measurement Methods: Evolution and Modern Applications in Water Management and Environmental Protection

  • Oscar Abel González-Vergara,
  • María Teresa Alarcón-Herrera,
  • Ana Elizabeth Marín-Celestino,
  • Armando Daniel Blanco-Jáquez,
  • Joel García-Pazos,
  • Samuel Villarreal-Rodríguez,
  • Yolocuauhtli Salazar and
  • Diego Armando Martínez-Cruz

6 March 2026

Accurate river discharge estimation is fundamental for water resource management under increasingly variable hydrological conditions. While conventional in situ techniques remain hydrometric reference standards, their operational deployment is constr...

  • Article
  • Open Access
495 Views
19 Pages

Interannual Variability of Ephemeral Snow and Its Water Equivalent in a Mexican Mediterranean Mountain Region

  • Mariana E. Espinosa-Blas,
  • Trent W. Biggs,
  • Alejandro González-Ortega,
  • Gorgonio Ruiz-Campos,
  • Leopoldo G. Mendoza-Espinosa and
  • Napoleon Gudino-Elizondo

4 March 2026

Increasing temperature and decreasing precipitation threaten the extent, persistence, and dynamics of snow across spatial scales, particularly ephemeral snow in Mediterranean mountain regions. This study estimates ephemeral snow cover and snow water...

  • Article
  • Open Access
303 Views
30 Pages

Tracking Mountain Degradation for the United Nations (UN) Sustainable Development Goals (SDGs) Using the State of Colorado (USA) as an Example

  • Arati Budhathoki,
  • Christopher J. Post,
  • Elena A. Mikhailova,
  • Mark A. Schlautman,
  • Hamdi A. Zurqani,
  • Lili Lin,
  • Zhenbang Hao and
  • Nilesh Timilsina

4 March 2026

Mountain ecosystems, strongly affected by climate-related variability and human impact, are degrading faster than other terrestrial ecosystems. Currently, the United Nations (UN) utilizes Sustainable Development Goal (SDG) 15: Life on Land (Target 15...

  • Article
  • Open Access
217 Views
19 Pages

1 March 2026

Air pollution remains a major public health and environmental challenge in China, driven by complex non-linear interactions among anthropogenic activities, meteorological conditions, and topographic features that go beyond simple linear relationships...

  • Article
  • Open Access
266 Views
26 Pages

1 March 2026

Urban flooding is prevalent in low-lying, coastal regions, where subtle topographic variation, shallow groundwater, and impervious surfaces govern inundation dynamics. This study evaluates urban flood susceptibility across Miami-Dade County by integr...

  • Article
  • Open Access
351 Views
23 Pages

1 March 2026

Reservoir management, flood control, and operational planning are the benefits of dam inflow forecasting. Decomposition algorithms can decompose complex inflow data into intrinsic components and reduce noise and fluctuations, while quantum machine le...

  • Article
  • Open Access
256 Views
20 Pages

Evolutionary Optimization of U-Net Hyperparameters for Enhanced Semantic Segmentation in Remote Sensing Imagery

  • Laritza Pérez-Enríquez,
  • Saúl Zapotecas-Martínez,
  • Leopoldo Altamirano-Robles,
  • Raquel Díaz-Hernández and
  • José de Jesús Velázquez Arreola

27 February 2026

Remote sensing-based Earth observation provides essential spatial data for analyzing and monitoring both natural and urban environments. Precise characterization of objects in these scenes is vital for environmental management, land-use planning, and...

  • Article
  • Open Access
364 Views
25 Pages

Assessing the Effectiveness of the Ramsar Convention in the Conservation of Nesting Waterbirds in Benin, West Africa

  • Abiola Sylvestre Chaffra,
  • Irene Di Lecce,
  • David D. L. Goodman and
  • Nico Arcilla

22 February 2026

The longest-standing international treaty for wetland and waterbird protection, the Ramsar Convention has resulted in the establishment of more than 2500 protected areas covering over 2.5 million square kilometers around the world. However, its measu...

  • Article
  • Open Access
1 Citations
534 Views
28 Pages

19 February 2026

Accurate quantification of surface runoff is required for the appropriate design of storage structures, irrigation patterns, waterways, erosion control structures, water harvesting projects, and groundwater development schemes. However, the paucity o...

  • Review
  • Open Access
907 Views
35 Pages

16 February 2026

Soil health is the sustained ability of soil to function as a vital ecosystem that supports plants, animals, and humans. Conventional agricultural practices, such as intensive tillage and monocropping, degrade soils by depleting organic matter, causi...

  • Article
  • Open Access
355 Views
24 Pages

16 February 2026

The Seulawah Agam volcano, located in Aceh, hosts one of Indonesia’s largest unexploited geothermal resources that is included in the Indonesian Green Energy Program. Previous studies of the Seulawah geothermal system (SGS) have used partial da...

  • Article
  • Open Access
282 Views
23 Pages

15 February 2026

Hazard risk monitoring of groundwater depletion and land subsidence due to excessive groundwater extraction is crucial for groundwater resource development, especially in densely populated, small-island developing sites. The island of Bali, Indonesia...

  • Article
  • Open Access
624 Views
28 Pages

11 February 2026

Multi-criteria methods are widely used in sustainability assessments because of their ability to handle large and complex datasets. The MIVES method (Integrated Value Model for Sustainability Assessment) has proven to be a versatile and adaptable too...

  • Article
  • Open Access
1 Citations
445 Views
21 Pages

11 February 2026

Reliable hydrologic modeling in arid, topographically complex watersheds depends on accurate land-use/land-cover (LULC) representation. This study evaluates how different LULC categorization methods affect simulated runoff for the Wadi Hatta watershe...

  • Article
  • Open Access
295 Views
22 Pages

Assessing Durum Wheat Productivity in a Mediterranean Area Under Climate Change Using AquaCrop

  • Malin Grosse-Heilmann,
  • Elena Cristiano,
  • Gabriella Pusceddu,
  • Marino Marrocu,
  • Francesco Viola and
  • Roberto Deidda

11 February 2026

Agricultural heritage is a cultural pillar of the Mediterranean region, where durum wheat plays a central role in traditional landscapes and food systems. Projected climate change is expected to alter crop productivity and place additional pressure o...

  • Article
  • Open Access
711 Views
31 Pages

9 February 2026

This paper provides insight into the development of Earth Observation (EO) research within geographic and environmental sciences from 1978 to 2024, using a spatially explicit bibliometric approach. The research is based on 28,871 publications indexed...

  • Article
  • Open Access
402 Views
39 Pages

Co-Creating Multi-Hazard Resilience Indicators for Historic Environments: A Context-Specific Assessment Framework

  • Aitziber Egusquiza,
  • Alessandra Gandini,
  • Gemma Garcia-Blanco,
  • Igone Garcia,
  • Angela Santangelo,
  • Eleonora Melandri,
  • Leire Garmendia,
  • Laura Quesada-Ganuza and
  • Andreas Peer

6 February 2026

Measuring the resilience of historic areas is challenging due to their heterogeneity in scale, heritage type, multi-hazard exposure, and socio-cultural context, creating the need for a flexible framework aligned with the latest Intergovernmental Pane...

  • Article
  • Open Access
430 Views
22 Pages

5 February 2026

Studies on land use and land cover changes are essential for predicting future trends and determining natural resource management decisions and the appropriate and precise detection of land use and land cover change is indispensable for obtaining det...

  • Review
  • Open Access
615 Views
27 Pages

5 February 2026

The global carbon cycle has become increasingly unbalanced over the past century as anthropogenic fluxes into the atmosphere far exceed the sequestration capacity of land and ocean systems. Data from 2025 show estimated annual anthropogenic emissions...

  • Article
  • Open Access
497 Views
26 Pages

Multidisciplinary Assessment of the Subsurface Contamination of Al-Musk Lake Wastewater Dumpsite in Jeddah City, KSA

  • Mohamed Rashed,
  • Nassir Al-Amri,
  • Riyadh Halawani,
  • Burhan Niyazi,
  • El-Sawy K. El-Sawy,
  • Milad Masoud and
  • Maged El Osta

4 February 2026

Al-Musk Lake, an artificial waterbody of 2.9 km2 formed by illegal dumping of 9.5 million cubic meters of raw sewage near Jeddah, Saudi Arabia, remains a significant subsurface environmental hazard after drainage activities in 2010. The current resea...

  • Article
  • Open Access
1,285 Views
32 Pages

Initial Spatio-Temporal Assessment of Aridity Dynamics in North Macedonia (1991–2020)

  • Bojana Aleksova,
  • Nikola Milentijević,
  • Uroš Durlević,
  • Stevan Savić and
  • Ivica Milevski

4 February 2026

Aridity represents a fundamental climatic constraint governing water resources, ecosystem functioning, and agricultural systems in transitional climate zones. This study examines the spatial organization and temporal variability of aridity and therma...

  • Review
  • Open Access
416 Views
26 Pages

4 February 2026

Understanding landform evolution is essential for assessing how terrain responds to geomorphic drivers such as weathering, fluvial erosion, hillslope processes, and tectonic uplift. This is particularly important in applications such as constructed p...

  • Article
  • Open Access
358 Views
14 Pages

30 January 2026

This paper presents the development and pilot validation of an enhanced water governance assessment tool developed within the European InnWater project. Grounded in OECD Principles on Water Governance, the study combines literature review, thematic f...

  • Article
  • Open Access
399 Views
15 Pages

Categorical Prediction of the Anthropization Index in the Lake Tota Basin, Colombia, Using XGBoost, Remote Sensing and Geomorphometry Data

  • Ana María Camargo-Pérez,
  • Iván Alfonso Mayorga-Guzmán,
  • Gloria Yaneth Flórez-Yepes,
  • Ivan Felipe Benavides-Martínez and
  • Yeison Alberto Garcés-Gómez

27 January 2026

This study presents a machine learning framework to automate the mapping of the Integrated Relative Anthropization Index (INRA, by its Spanish acronym). A predictive model was developed to estimate the degree of anthropization in the basin of Lake To...

  • Article
  • Open Access
497 Views
28 Pages

26 January 2026

This study evaluates the spatiotemporal variations in surface water quality in An Giang province, a key upstream region of the Vietnamese Mekong Delta (VMD), under the influence of hydrological alterations and climate change impacts. Water quality da...

  • Article
  • Open Access
1 Citations
592 Views
19 Pages

Climate Oscillations, Aerosol Variability, and Land Use Change: Assessment of Drivers of Flood Risk in Monsoon-Dependent Kerala

  • Sowmiya Velmurugan,
  • Brema Jayanarayanan,
  • Srinithisathian Sathian and
  • Komali Kantamaneni

25 January 2026

Aerosol microphysical and optical properties play a crucial role in cloud microphysics, precipitation physics, and flood formation over areas characterized by complex monsoon regimes. This research presents a multi-source data integration approach to...

  • Systematic Review
  • Open Access
509 Views
29 Pages

25 January 2026

Climate change-induced extreme weather events increasingly threaten public health, with a particularly acute impact on the mental well-being of urban populations. This study evaluates regional disparities in mental health outcomes associated with cli...

  • Article
  • Open Access
473 Views
26 Pages

23 January 2026

Eutrophication remains a persistent challenge in the Romanian Black Sea coastal zone, driven by excess nutrient inputs from riverine and coastal sources and further intensified by climate change. This study assesses eutrophication dynamics and explor...

  • Article
  • Open Access
1,127 Views
33 Pages

23 January 2026

The sustainability of resources and ecological integrity are significantly influenced by land use and land cover change (LULCC) dynamics, particularly in ecotonal semi-arid regions where biome transitions are highly sensitive to anthropogenic disturb...

  • Article
  • Open Access
470 Views
21 Pages

Linking Grain Size and Geospatial Indices: Sediment Transport Dynamics in the Ganga River at Varanasi, India

  • Abhishek Pandey,
  • Komali Kantamaneni,
  • Pradyumna Kumar Behera,
  • Vishal Deshpande,
  • Ranjan Sarukkalige and
  • Upaka Rathnayake

23 January 2026

Sediment transport in alluvial channels is strongly controlled by the grain-size distribution of bed and suspended materials. This, in turn, influences river morphology by modifying the cross-sectional area and course of the channel. Statistical para...

  • Article
  • Open Access
336 Views
18 Pages

Estimating Soil Hydraulic Properties Using Random Forest Pedotransfer Functions and SoilGrids Data in Mexico

  • Victor M. Rodríguez-Moreno,
  • Josué Delgado-Balbuena,
  • Teresa Alfaro Reyna,
  • César Valenzuela-Solano and
  • Nuria A. López-Hernández

19 January 2026

Field capacity (FC) and permanent wilting point (PWP) thresholds are critical parameters in climate-smart agriculture because they directly relate to soil water availability, which is essential for optimizing water use, improving crop yields, and ens...

  • Article
  • Open Access
1,014 Views
23 Pages

11 January 2026

Regional green development requires balancing anthropogenic carbon emissions (CEs) with vegetation carbon sequestration (VCS). Using the CASA model and plant photosynthesis equation, we estimated VCS from net primary productivity (NPP) and proposed a...

  • Article
  • Open Access
2 Citations
719 Views
20 Pages

8 January 2026

The Iraqi coastline in the northern Persian Gulf is highly vulnerable to the impacts of future sea level rise. This study introduces a novel approach in the Arc Geographic Information System (ArcGIS) for inundation risk of the 58 km Iraqi coast of th...

  • Article
  • Open Access
467 Views
26 Pages

7 January 2026

Forests play a vital role in the global carbon cycle but face growing anthropogenic pressures, with climate change and forest fragmentation among the most critical. In West Africa, particularly in Ghana, the interaction between increasing aridity and...

  • Article
  • Open Access
1,205 Views
14 Pages

7 January 2026

Many rural communities are struggling to understand the changing climate and how to mitigate and adapt to its negative effects. “Climate literacy” (i.e., an understanding of the climate system, how human actions influence it, and how it a...

  • Article
  • Open Access
512 Views
17 Pages

Physicochemical Properties and Diatom Diversity in the Sediments of Lake Batur: Insights from a Volcanic Alkaline Ecosystem

  • Ulvienin Harlianti,
  • Silvia Jannatul Fajar,
  • Satria Bijaksana,
  • Irwan Iskandar,
  • Rachmat Fajar Lubis,
  • Rey Donne S. Papa,
  • Putu Billy Suryanata and
  • Ni Komang Tri Suandayani

3 January 2026

Lake Batur, located within a volcanic caldera in Bali, Indonesia, is subjected to anthropogenic pressures related to agriculture, aquaculture, tourism, and religious activities, which may affect its water quality and ecology condition. This study inv...

  • Article
  • Open Access
590 Views
30 Pages

31 December 2025

This study addresses the global challenge of superficial soil contamination by heavy metals, focusing on differentiating natural geogenic sources from anthropogenic contributions in complex industrial–urban environments. We develop an integrate...

  • Review
  • Open Access
1,215 Views
35 Pages

27 December 2025

Local Climate Zones (LCZs) have become a foundational framework for urban climate modeling, yet their use across model families has not been systematically evaluated. Crucially, the LCZ framework itself has served as a developmental basis, revealing...

  • Review
  • Open Access
1 Citations
1,360 Views
22 Pages

Bibliographic Review on Transnational Cooperation in Environmental Issues in European Countries (2010–2025)

  • Malgorzata Waniek,
  • Rui Alexandre Castanho,
  • Mara Franco,
  • Víctor Rincón and
  • Javier Velázquez

20 December 2025

Europe is dealing with environmental problems that require cooperation beyond national and regional borders. Air pollution, water pollution, biodiversity loss, and waste management are the major issues that are not only complex but also cross borders...

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