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Geosciences, Volume 15, Issue 7

2025 July - 41 articles

Cover Story: Estimating surface water volume (SWV) in the Amazon is difficult due to persistent cloud cover and dense canopy. However, because the region experiences some of the largest yearly surface water fluctuations, it is an important site to monitor for change. We address this challenge through the development of a machine learning framework integrating space-based multimodal observations (ICESat-2 lidar, Sentinel-1 SAR, and Sentinel-2 imagery) and airborne lidar for improved SWV estimation. Our two-stage approach enhances DEM accuracy by 66% and up to 79% with airborne data. SAR-based water detection enables all-weather monitoring (F1-score: 0.81). Validation with reservoir records shows strong correlations (0.63–0.97), capturing realistic temporal variations. This scalable method supports water monitoring in data-scarce regions. View this paper
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Articles (41)

  • Article
  • Open Access
679 Views
20 Pages

Evaluation of Proppant Placement Efficiency in Linearly Tapering Fractures

  • Xiaofeng Sun,
  • Liang Tao,
  • Jinxin Bao,
  • Jingyu Qu,
  • Haonan Yang and
  • Shangkong Yao

With growing reliance on hydraulic fracturing to develop tight oil and gas reservoirs characterized by low porosity and permeability, optimizing proppant transport and placement has become critical to sustaining fracture conductivity and production....

  • Article
  • Open Access
2,275 Views
19 Pages

The increasing demand for high-resolution subsurface imaging has driven significant advances in geophysical inversion methodologies. Despite the availability of various software packages for electrical resistivity tomography (ERT), time-domain induce...

  • Article
  • Open Access
1,094 Views
25 Pages

Intensive irrigation in arid and semi-arid regions can cause significant environmental issues, including salinity, waterlogging, and water quality deterioration. Watershed modeling helps us understand essential water balance components in these areas...

  • Article
  • Open Access
1 Citations
1,596 Views
16 Pages

Accurate precipitation forecasting remains a critical challenge due to the nonlinear and multifactorial nature of rainfall dynamics. This is particularly important in arid regions like Tamanghasset, where precipitation is the primary driver of agricu...

  • Article
  • Open Access
1,965 Views
24 Pages

Geomorphological Mapping and Social Sciences: A Qualitative Review

  • Laura Franceschi,
  • Alberto Bosino,
  • Manuel La Licata and
  • Mattia De Amicis

The number of publications in the scientific literature dealing with geomorphological mapping has increased over the last two decades. Although geomorphological maps are utilised in various contexts, such as hazard assessment, archaeology, and touris...

  • Article
  • Open Access
1,241 Views
19 Pages

The Geotourism Product—What It Is and What It Is Not

  • Ľubomír Štrba,
  • Silvia Bodzáš Palgutová,
  • Ján Derco,
  • Branislav Kršák and
  • Csaba Sidor

The worldwide expansion of geotourism and its ongoing development have captured the interest of numerous scholars, prompting them to investigate various theoretical dimensions within this emerging field. This paper explores the concept of geotourism...

  • Article
  • Open Access
1 Citations
2,413 Views
19 Pages

Geological, Mineralogical, and Alteration Insights of the Intermediate-Sulfidation Epithermal Mineralization in the Sidi Aissa District, Northern Tunisia

  • Jamel Ayari,
  • Maurizio Barbieri,
  • Tiziano Boschetti,
  • Ahmed Sellami,
  • Paolo Ballirano and
  • Abdelkarim Charef

The Sidi Aissa Pb-Zn-(Ag) District, located within the Nappe Zone of northern Tunisia, has been reinterpreted as a typical intermediate-sulfidation (IS) epithermal mineralization system based on field observations and lithogeochemical analyses. Previ...

  • Article
  • Open Access
2 Citations
1,529 Views
25 Pages

Coccolithophore Assemblage Dynamics and Emiliania huxleyi Morphological Patterns During Three Sampling Campaigns Between 2017 and 2019 in the South Aegean Sea (Greece, NE Mediterranean)

  • Patrick James F. Penales,
  • Elisavet Skampa,
  • Margarita D. Dimiza,
  • Constantine Parinos,
  • Dimitris Velaoras,
  • Alexandra Pavlidou,
  • Elisa Malinverno,
  • Alexandra Gogou and
  • Maria V. Triantaphyllou

This study presents the living coccolithophore communities and the morphological variability of Emiliania huxleyi in the South Aegean Sea from three sampling regions during winter-early spring (March 2017, March 2019) and summer (August 2019). Emphas...

  • Article
  • Open Access
1,794 Views
21 Pages

Impact cratering determined by collisions with meteorites and asteroids is considered one of the main natural processes in the Solar System, modifying the planets and their satellites surface during time. The Earth includes in its impact record a sma...

  • Review
  • Open Access
2 Citations
2,145 Views
26 Pages

Carbon isotopes in magmatic systems serve as powerful tracers for understanding magma evolution, mantle processes, the deep carbon cycle, and the origin of Earth’s carbon. This review provides a comprehensive overview of carbon isotope measurem...

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Geosciences - ISSN 2076-3263