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Hydrology, Volume 9, Issue 7

July 2022 - 17 articles

Cover Story: After the implementation of the Water Framework Directive (WFD) in 2000, various hydromorphological assessment tools were developed in Europe. In Germany, the field survey method was implemented as a reference-based on-site method, which consists of an index-based evaluation and an evaluation of functional units. In this study, the question of whether the method can compensate sufficiently for changes in the ecoregion is addressed with a case example. The results show that differences in the evaluation results are mostly due to hydrologic and anthropogenic forcing, but there is still room for further improvement and standardization in the evaluation scheme with respect to the adjustment to different ecoregions in Germany. View this paper
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Articles (17)

  • Article
  • Open Access
8 Citations
5,360 Views
41 Pages

Globally, about 54 million ha of cropland are irrigated with saline water. Globally, the soils associated with about 1 billion ha are affected by salinization. A small decrease in irrigation water salinity (and soil salinity) can result in a dispropo...

  • Feature Paper
  • Review
  • Open Access
6 Citations
5,704 Views
19 Pages

Karst Brackish Springs of Albania

  • Romeo Eftimi,
  • Mario Parise and
  • Isabella Serena Liso

The territory of Albania presents wide outcrops of soluble rocks, with typical karst landforms and the presence of remarkable carbonate aquifers. Many karst areas are located near the coasts, which results in a variety of environmental problems, most...

  • Article
  • Open Access
9 Citations
3,424 Views
14 Pages

Stochastic Analysis of the Marginal and Dependence Structure of Streamflows: From Fine-Scale Records to Multi-Centennial Paleoclimatic Reconstructions

  • Alonso Pizarro,
  • Panayiotis Dimitriadis,
  • Theano Iliopoulou,
  • Salvatore Manfreda and
  • Demetris Koutsoyiannis

The identification of the second-order dependence structure of streamflow has been one of the oldest challenges in hydrological sciences, dating back to the pioneering work of H.E Hurst on the Nile River. Since then, several large-scale studies have...

  • Article
  • Open Access
22 Citations
4,614 Views
23 Pages

A Comparison of Ensemble and Deep Learning Algorithms to Model Groundwater Levels in a Data-Scarce Aquifer of Southern Africa

  • Zaheed Gaffoor,
  • Kevin Pietersen,
  • Nebo Jovanovic,
  • Antoine Bagula,
  • Thokozani Kanyerere,
  • Olasupo Ajayi and
  • Gift Wanangwa

Machine learning and deep learning have demonstrated usefulness in modelling various groundwater phenomena. However, these techniques require large amounts of data to develop reliable models. In the Southern African Development Community, groundwater...

  • Article
  • Open Access
27 Citations
4,131 Views
15 Pages

The aim of this study was to investigate the utility of multiple linear regression (MLR) for the estimation of reference evapotranspiration (ETo) of the Peloponnese, Greece, for two representative months of winter and summer during 2016–2019. A...

  • Review
  • Open Access
115 Citations
15,761 Views
12 Pages

Evapotranspiration (ET) is a major component of the water cycle and agricultural water balance. Estimation of water consumption over agricultural areas is important for agricultural water resources planning, management, and regulation. It leads to th...

  • Article
  • Open Access
4 Citations
2,845 Views
14 Pages

Effect of Rainfall Regime on Rainwater Harvesting Tank Sizing for Greenhouse Irrigation Use

  • Paraskevi A. Londra,
  • Panagiota Gkolfinopoulou,
  • Anastasia Mponou and
  • Achilleas T. Theocharis

The use of rainwater harvesting tanks to supply human water needs is an old and sustainable practice. In the case of covering irrigation demand in greenhouse agriculture, the potential is huge. Still, the relative research worldwide is low, while it...

  • Article
  • Open Access
4 Citations
5,257 Views
9 Pages

Soil erosion is one of the most critical threats to cultivated land. Yet little information is available in Sub-Saharan Africa, especially on the relative contributions of various forms of erosion. Therefore, this study’s objective was to quant...

  • Article
  • Open Access
6 Citations
3,138 Views
13 Pages

Since the Water Framework Directive (WFD) came into force in 2000, data on the hydromorphological quality have been collected for all rivers in Europe. In Germany, a reference-based classification scheme is used (LAWA 2000) for hydrological assessmen...

  • Article
  • Open Access
6 Citations
2,881 Views
18 Pages

In tropical regions, deep convective systems are associated with extreme rainfall storms that usually detonate flash floods and landslides in the Andean Colombian region. Several studies have used satellite data to address the structure and formation...

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Hydrology - ISSN 2306-5338