1. Statistical analyses of groundwater chemistry in the Qingdong coalmine, northern Anhui province, China: implications for water–rock interaction and water source identification

   • Kai Chen
   • Linhua Sun
   • Jiying Xu

   Original Article Open access 17 February 2021 Article: 50

   

2. Water quality assessment of the Tano Basin in Ghana: a multivariate statistical approach

   • Samuel Obiri
   • Gloria Addico
   • Okrah Collins

   Original Article Open access 15 February 2021 Article: 49

   

3. A critical review of synthesis parameters affecting the properties of zinc oxide nanoparticle and its application in wastewater treatment

   • E. Y. Shaba
   • J. O. Jacob
   • M. A. T. Suleiman

   Review Article Open access 13 February 2021 Article: 48

   

4. Potential of Typha latifolia L. for phytofiltration of iron-contaminated waters in laboratory-scale constructed microcosm conditions

   • Maibam Dhanaraj Meitei
   • Majeti Narasimha Vara Prasad

   Original Article Open access 13 February 2021 Article: 47

   

5. Groundwater quality assessment using water quality index (WQI) under GIS framework

   • Arjun Ram
   • S. K. Tiwari
   • Y. V. Singh

   Original Article Open access 12 February 2021 Article: 46

   

6. Synthesis and characterization of ZnO nanoparticles using aqueous extract of Becium grandiflorum for antimicrobial activity and adsorption of methylene blue

   • Mebrahtu Hagos Kahsay

   Original Article Open access 12 February 2021 Article: 45

   

7. Efficient removal of 2-chlorophenol from aqueous solution using TiO₂ thin films/alumina disc as photocatalyst by pulsed laser deposition

   • S. Ismat Shah
   • Sawsan A. Mahmoud
   • Osama A. Fouad

   Original Article Open access 08 February 2021 Article: 44

   

8. Auto-correlation robustness of factorial designs and GAMS in studying the effects of process variables in a dual-objective adsorption system

   • Mutiu Kolade Amosa
   • Fatai A. Aderibigbe
   • Sulyman A. Abdulkareem

   Original Article Open access 06 February 2021 Article: 43

   

9. Recent developments in materials used for the removal of metal ions from acid mine drainage

   • Tebogo M. Mokgehle
   • Nikita T. Tavengwa

   Review Article Open access 06 February 2021 Article: 42

   

10. Morphometric analysis and prioritization of upper Benue River watershed, Northern Nigeria

    • Caleb Akoji Odiji
    • Olaide Monsor Aderoju
    • Hilda Onuoha

    Original Article Open access 03 February 2021 Article: 41

    

11. Physicochemical evolution and evaluation of groundwater quality in Mougheul area (Southwest of Algeria)

    • Saliha Mebarki
    • Benali Kharroubi
    • Mohammed Amin Kendouci

    Original Article Open access 01 February 2021 Article: 40

    

12. Effects of nitrogen depletion on the biosorption capacities of Neochloris minuta and Neochloris alveolaris for five heavy metals

    • Dimitrios G. Giarikos
    • Jessica Brown
    • Safiyah Muhammad

    Original Article Open access 01 February 2021 Article: 39

    

13. Kinetic, equilibrium and thermodynamic studies of the adsorption of paracetamol in activated carbon in batch model and fixed-bed column

    • Nathalia Krummenauer Haro
    • Ivone Vanessa Jurado Dávila
    • Liliana Amaral Féris

    Original Article Open access 01 February 2021 Article: 38

    

14. Kinetics of fluoride adsorption onto native and Mg(OH)₂-amended limestone

    • Noura AL-Darwish
    • T. M. Abu-Sharar

    Original Article Open access 30 January 2021 Article: 37

    

15. The impact of the proposed rubber dam facilitated surface water irrigation on adjacent groundwater at Chapai Nawabganj district, Bangladesh

    • Sondipon Paul
    • Khairul Hasan

    Original Article Open access 30 January 2021 Article: 36

    

16. Kinetic studies of Congo red dye adsorption by immobilized Aspergillus niger on alginate

    • Mohammed T. M. H. Hamad
    • Mona S. S. Saied

    Original Article Open access 30 January 2021 Article: 35

    

17. Profitability analysis of dual installations in selected European countries

    • Paweł Suchorab
    • Małgorzata Iwanek
    • Agnieszka Żelazna

    Original Article Open access 28 January 2021 Article: 34

    

18. Synthesis of amino acid functionalized Fe₃O₄ nanoparticles for adsorptive removal of Rhodamine B

    • Neway Belachew
    • Aschalew Tadesse
    • Keloth Basavaiah

    Original Article Open access 28 January 2021 Article: 33

    

19. Nanobiocatalyst beds with Fenton process for removal of methylene blue

    • Azize Alayli
    • Hayrunnisa Nadaroglu
    • Esra Turgut

    Original Article Open access 27 January 2021 Article: 32

    

20. Sustainability of Batik wastewater quality management strategies: analytical hierarchy process

    • Ihya Sulthonuddin
    • Herdis Herdiansyah

    Original Article Open access 26 January 2021 Article: 31

    

21. Feasibility of rainwater harvesting from residential rooftops in Jordan

    • Ola Al-Qawasmi

    Original Article Open access 26 January 2021 Article: 30

    

22. Contribution of the requirements engineering to the evaluation of water resources systems efficiency

    • Bouchrit Rouissat
    • Abdelmalek Bekkouche
    • Nadia Smail

    Original Article Open access 25 January 2021 Article: 29

    

23. The strategic development for water loss prevention

    • Recep Kiliç

    Original Article Open access 24 January 2021 Article: 28

    

24. Adsorption of tartrazine and sunset yellow anionic dyes onto activated carbon derived from cassava sievate biomass

    • Helen O. Chukwuemeka-Okorie
    • Francis K. Ekuma
    • Amarachi G. Okereafor

    Original Article Open access 24 January 2021 Article: 27

    

25. Uncertainty analysis of discharge coefficient of circular crested weirs

    • Abbas Parsaie
    • Amir Hamzeh Haghiabi

    Original Article Open access 20 January 2021 Article: 26

    

26. Sensitivity analysis of rainfall–runoff parameters models to estimate flows

    • Fernando Yogi
    • Carina Julia Pensa Correa
    • Kelly Cristina Tonello

    Review Article Open access 18 January 2021 Article: 25

    

27. Environmental risk assessment of the intake of contaminants in aquifers in the vicinity of a reclaimed waste dumpsite in Owerri municipal, Southeastern Nigeria

    • Francis Chizoruo Ibe
    • Alexander Iheanyichukwu Opara
    • Bridget Onyekachi Ibe

    Original Article Open access 18 January 2021 Article: 24

    

28. Risk assessment of ice dams for water diversion projects based on fuzzy fault trees

    • Mengkai Liu
    • Xiaoxia Dong
    • Hui Guo

    Original Article Open access 18 January 2021 Article: 23

    

29. Inhibition and adsorption potentials of mild steel corrosion using methanol extract of Gongronema latifoliuim

    • Chiedozie C. Aralu
    • Helen O. Chukwuemeka-Okorie
    • Kovo G. Akpomie

    Short Research Communication Open access 18 January 2021 Article: 22

    

30. Computation of subsurface drain spacing in the unsteady conditions using Artificial Neural Networks (ANN)

    • Kaveh Ostad-Ali-Askari
    • Mohammad Shayannejad

    Original Article Open access 18 January 2021 Article: 21

    

31. Hydrogeochemical status and geoelectrical characteristics of the shallow aquifers of Kalanad Basin, Kasaragod, Kerala, India

    • S. Anoop
    • C. Ashwathi
    • Resma S. Pillai

    Original Article Open access 17 January 2021 Article: 20

    

32. Physico-chemical characteristics and therapeutic potential of Chutrun thermal springs in Shigar Valley, Gilgit-Baltistan (Pakistan)

    • Naima Farhat
    • Shabbir Hussain
    • Mafia Noreen

    Original Article Open access 14 January 2021 Article: 19

    

33. Solar nanophotocatalytic pretreatment of seawater: process optimization and performance evaluation using response surface methodology and genetic algorithm

    • Varghese Manappallil Joy
    • Shaik Feroz
    • Susmita Dutta

    Original Article Open access 14 January 2021 Article: 18

    

34. Hydro-morphometric characterization and prioritization of sub-watersheds for land and water resource management using fuzzy analytical hierarchical process (FAHP): a case study of upper Rihand watershed of Chhattisgarh State, India

    • Milan Ghosh
    • Dipti Gope

    Original Article Open access 14 January 2021 Article: 17

    

35. Discharge coefficient of flow over Al-Shalalat stepped weir on Al-Khusr River

    • Azza N. Altalib

    Original Article Open access 14 January 2021 Article: 16

    

36. Utility of forward and inverse modeling in 2D electric tomography for Hydrogeologic studies

    • Oualid Melouah
    • Zerrouki Hichem

    Short Research Communication Open access 14 January 2021 Article: 15

    

37. Removal efficiency of phenol by ozonation process with calcium peroxide from aqueous solutions

    • Zhila Honarmandrad
    • Neda Javid
    • Mohammad Malakootian

    Original Article Open access 14 January 2021 Article: 14

    

38. Modelling of total dissolved solids in water supply systems using regression and supervised machine learning approaches

    • Anthony Ewusi
    • Isaac Ahenkorah
    • Derrick Aikins

    Original Article Open access 14 January 2021 Article: 13

    

39. Evaluation for the optimization of two conceptual 200,000 m³/day capacity RO desalination plant with different intake seawater of Oman Sea and Caspian Sea

    • Fatemeh Yusefi
    • Mir Mahdi Zahedi
    • Morteza Ziyaadini

    Original Article Open access 14 January 2021 Article: 12

    

40. Meteorological and hydrological drought monitoring using several drought indices

    • Hana Salimi
    • Esmail Asadi
    • Sabereh Darbandi

    Original Article Open access 14 January 2021 Article: 11