Current Issue | American Journal of Environmental Sciences

Evaluating the Impact of Topography on Flooding in Owerri North, Imo State, Nigeria Using GIS and Remote Sensing Techniques

Sylvanus Ibeabuchi Iro — 2025-01-29

American Journal of Environmental Sciences, Published online: 29 January 2025; doi:10.3844/ajessp.2025.1.11

The aim of this study is to analyze the topographical contribution to floods in Owerri, North Imo State, Nigeria. Research was carried out to ascertain whether topographical elements played a role in ...

A Novel River Meander Migration and Cutoff Model: A New Perspective

Youssef Ismail Hafez — 2025-03-21

American Journal of Environmental Sciences, Published online: 21 March 2025; doi:10.3844/ajessp.2025.12.38

Accurate prediction of river meander migration is crucial for effective river management and operation, particularly in light of climate changes and human-induced interventions. Existing models often ...

The interplay between Cadmium and Zinc Induced Developmental Perturbations and Apoptosis in Daphnia Magna

Naima Hamid — 2025-06-11

American Journal of Environmental Sciences, Published online: 11 June 2025; doi:10.3844/ajessp.2025.39.48

Assessing combined toxicity provides a realistic and comprehensive approach to determining toxicological effects in aquatic species under environmentally relevant conditions. This study was conducted ...

Modeling the Nile: A Comprehensive Water Budget and Flow Assessment with the River Basin Flow Model (RBFM)

Youssef Ismail Hafez — 2025-06-18

American Journal of Environmental Sciences, Published online: 18 June 2025; doi:10.3844/ajessp.2025.49.78

The Nile River basin, covering 2.9 million km³ across 11countries, is one of the world's most complex hydrological systems. With an annual historical discharge of 84 billion m³ at Aswan, Egypt,...

Tree Volume Prediction Model of Cupressus lusitanica Species: in North-Western Highlands of Ethiopia

Yishak Adgo Kassie — 2025-08-26

American Journal of Environmental Sciences, Published online: 26 August 2025; doi:10.3844/ajessp.2025.79.88

A significant basis of raw materials for the forest products industry is provided by Cupressus lusitanica, one of the commercial timber tree species found in the forest. Accurate tree and stand volume...

Development and Validation of a 2D Finite Element Model for Air Pollution Dispersion (SUITE-2D)

Youssef Ismail Hafez — 2025-12-22

American Journal of Environmental Sciences, Published online: 22 December 2025; doi:10.3844/ajessp.2025.89.109

This paper presents the development and validation of SUITE-2D (Solving Unsteady Incompressible Transport Equation in Two Dimensions), a two-dimensional finite element model for solving the advection-...

An Empirical Investigation of the Pollution Haven-Halo Nexus in Eastern and Southern Africa

Paul Kaulu — 2026-01-28

American Journal of Environmental Sciences, Published online: 28 January 2026; doi:10.3844/ajessp.2025.110.120

This study looks into the relationship between trade and pollution in Eastern and Southern Africa from 1977 to 2016. This timeframe is particularly relevant as it was marked by rising CO₂ emissions ...