H.O. Nwankwoala

University of Port Harcourt

Publishing since 2010, latest 2025

Environmental Engineering
Water Science and Technology
Artificial Intelligence
Geochemistry and Petrology
Ocean Engineering
Geophysics

Their record on OpenAlex

Publications: 632010–2025
Citations: 640to those papers
h-index: 16i10-index 21
Field-weighted impact: 1.031.00 is the world average
World top 10%: 6%4 of 63 scored papers
Open access: 78%49 papers free to read

3 other works — preprints, datasets and the like — are listed but not counted.

By year

Papers, and the citations to them

Publications, left axisCitations to that year’s papers, right axis2026 still in progress

Career

On their papers

Every institution they have given on a paper.

Publications

63 in all

Modeling the Groundwater Quality in parts of Eastern Niger-Delta, Nigeria using Multivariate Statistical Techniques
2014American journal of water resourcesJournalOpen access5 citations10.12691/ajwr-2-5-3
A framework for hydrogeological data acquisition and monitoring in the Niger Delta
2014The Journal of applied sciences research

Download CV:PDFWord

Citations received each year

Peerford

To all their work, old papers included. Google Scholar also counts citations from theses, books and web pages, so its line runs higher.

What they work on

From the classification of each paper

Subfields

Environmental Engineering2337%
Water Science and Technology1321%
Artificial Intelligence1219%
Geochemistry and Petrology1219%
Ocean Engineering1016%
Geophysics813%
Global and Planetary Change610%
Soil Science610%
Analytical Chemistry46%
Civil and Structural Engineering46%

Life Sciences
Physical Sciences

Topics most written on

Groundwater and Watershed Analysis23
Groundwater and Isotope Geochemistry12
Geochemistry and Geologic Mapping11
Groundwater flow and contamination studies9
Water Quality and Pollution Assessment9
Geophysical and Geoelectrical Methods8
Soil erosion and sediment transport5
Water resources management and optimization5
Petroleum Processing and Analysis4
Aeolian processes and effects3
Flood Risk Assessment and Management3
Geophysical Methods and Applications3

Who they write with

Their most frequent co-authors, and the papers those co-authors share

Where their co-authors are

8% of their papers have a co-author abroad

papers co-written1234567Home

Most frequent partner countries

Brazil1
China1
Czechia1
Greece1
Namibia1
Netherlands1
United States1

Papers with at least one author in that country.

Institutions written with most

Rivers State UniversityNG15 papers
Federal University of Technology MinnaNG4 papers
Delta State UniversityNG3 papers
University of NigeriaNG3 papers
Gregory University UturuNG2 papers
Federal University Oye EkitiNG2 papers
Federal University of Technology OwerriNG2 papers
Federal University LokojaNG2 papers
Chinese Academy of SciencesCN1 paper
Czech University of Life Sciences PragueCZ1 paper

Where they publish

Zenodo (CERN European Organization for Nuclear Research)4
Engineering Heritage Journal3
Environmental Contaminants Reviews3
Pakistan Journal of Geology3
Water Conservation and Management3
Acta Geochimica2

Development goals addressed

From each paper’s title and abstract

6Clean water and sanitation23
15Life on land6
14Life below water5
11Sustainable cities and communities4
2Zero hunger3
13Climate action3

Most cited

Case Studies on Coastal Wetlands and Water Resources in Nigeria
European Journal of Sustainable Development
201249 citationsWorld top 10%Open access · Diamond
Groundwater resources of the Niger Delta: Quality implications and management considerations
International Journal of Water Resources and Environmental Engineering6
201448 citationsOpen access · Diamond
Evaluation of Heavy Metal in Soils From Enyimba Dumpsite in Aba, Southeastern Nigeria Using Contamination Factor and Geo-Accumulation Index

Case Studies on Coastal Wetlands and Water Resources in Nigeria

2012European Journal of Sustainable DevelopmentJournalOpen accessFirst authorCorresponding49 citations10.14207/ejsd.2012.v1n2p113

Investigation of aquifer quality in Bonny Island, eastern Niger Delta, Nigeria using geophysical and geochemical techniques

2012Journal of Emerging Trends in Engineering and Applied SciencesJournal27 citations

Towards a Conceptual Understanding of Groundwater Ecology

2012European Journal of Sustainable DevelopmentJournalOpen accessFirst authorCorresponding0 citations10.14207/ejsd.2012.v1n3p493

Hydrogeochemical Evaluation Of Groundwater In Parts Of Eastern Niger Delta, Nigeria

2011Zenodo (CERN European Organization for Nuclear Research)JournalOpen accessFirst author22 citations10.5281/zenodo.814031

Studies on Major Ion Chemistry and Hydrogeochemical Processes of Groundwater in Port Harcourt City, Southern Nigeria

2011ScholarsArchive (Brigham Young University)JournalFirst author17 citations

Technical challenges for water borehole design, construction and maintenance in the Eastern Niger Delta of Nigeria : research note / commentary

2011African Journal of Science Technology Innovation and DevelopmentJournalFirst author0 citations

Utilizing the tool of gis in oil spill management - a case study of Etche LGA, Rivers State, Nigeria

2010Global Journal of Environmental SciencesJournalOpen accessFirst author9 citations10.4314/gjes.v8i1.50820

Subsoil Characteristics and Hydrogeology of the Export Processing Zone, Calabar-Southeastern Nigeria

2010Journal of applied science and environmental managementJournalOpen accessSenior author4 citations10.4314/jasem.v14i2.57824

Earth Sciences Pakistan

European Journal of Sustainable Development2

How it can be read

78% free to read

Diamond 32 · 51%Free to read and to publish
Gold 2 · 3%In an open-access journal
Hybrid 5 · 8%Open in a subscription journal
Bronze 4 · 6%Free to read, no open licence
Green 6 · 10%A copy in a repository
Closed 14 · 22%Behind a paywall

Who funds it

1 of 63 papers name a funder

Conselho Nacional de Desenvolvimento Científico e Tecnológico1
Fundação de Amparo à Pesquisa do Estado de São Paulo1
Research Centre for Gas Innovation1
Shell Brasil1
Universidade de São Paulo1

Energy and Environment Research11

201348 citationsOpen access · Hybrid

Gully Erosion and Landslides in Southeastern Nigeria: Causes, Consequences and Control Measures

Global Journal of Engineering Sciences1115

201937 citationsOpen access · Diamond