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HYDROGEOLOGICAL MODELLING OF THE INTERACTION BETWEEN DOLOMITE EXCAVATION QUARRIES AT LATVIA

Kaspars Krauklis, Irīna Eglīte, Kaspars Krauklis, Inta Lāce

First published: 2020-09-20https://doi.org/10.5593/sgem2020/3.1/s12.020View metrics

Abstract

In the Ropazu district at Latvia, a set of dolomite excavation quarries is located. Because the quarries must by drained by pumping out groundwater, depression cones appear in the quarry areas and around them. The research targets were investigation of the interaction between the quarries, evaluation of adverse changes caused by them in the groundwater regimes of the nature reserve wetland area «Lielie Kangari» and in flows of hydrographical network. The research was carried out by applying the hydrogeological model (HM) that was run by the system Groundwater Vistas 6. The quarries were simulated by using their toughest working conditions (maximal areas and depths for a long time excavation without interruptions). It was found out that due to appearance of artificial lakes in flooded areas of abandoned quarries, the interaction between the working quarries has considerably decreased. The quarries which are situated near the reserved wetland area and a small river can worsen their natural regimes. The methodology and results reported in the paper may be useful for specialists dealing with estimation of adverse effects that can be caused by mineral excavation quarries.

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Publication details

Title
HYDROGEOLOGICAL MODELLING OF THE INTERACTION BETWEEN DOLOMITE EXCAVATION QUARRIES AT LATVIA
Authors
Kaspars Krauklis, Irīna Eglīte, Kaspars Krauklis, Inta Lāce
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Water Resources. Forest, Marine and Ocean Ecosystems
Publisher
STEF92 Technology
Year
2020
Pages
155-162
SWS Citekey
Krauklis202012155162
ISSN
1314-2704
ISBN
978-619-7603-08-8
Language
en
Publication type
Conference Paper
Keywords
drawdowngroundwater pumping ratehydrographical network
References6

  1. Environmental Simulations, Inc., 2017, Groundwater Vistas. Version 7, Guide to using

  2. Golden Software, Inc., 2015, SURFER-12 for Windows, Users manual, Guide to using

  3. Latvian Geospatial Information Agency, 2019, LIDAR Relief map https://map.lgia.gov.lv/

  4. Riga Technical University, 2018, Hydrogeological model of Latvia LAMO4 http://www.emc.rtu.lv

  5. Latvian Ministry of Agriculture, 2017, Summary of national watercourses, https://www.pvd.gov.lv/public/ck/files/Rikojums_Nr_158_2017__4_piel_.pdf

  6. Spalvins A., 2019. Evaluation of hydrographical and geological conditions of the mineral quarry “Lejasnoras” in the Ropazu district, Contract report of Riga Technical university, Riga, 59 p. (in Latvian), http://www.emc.rtu.lv/issues/2019/RTU_Lejasnoras_09092019_labotais.pdf

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