scholarly journals The Role of Geothermal Waters in Sustainable Development Application of Main North Center Algerian Hot Springs (Righa, Biban, Ksena)

2019 ◽  
Vol 8 (4) ◽  
pp. 30
Author(s):  
A. Ait Ouali. A. Issaadi ◽  
A. Ayadi K. Imessad
Keyword(s):  
Sustainable Development ◽  
Water Chemistry ◽  
Hot Springs ◽  
Local Economic Development ◽  
Cold Climate ◽  
Thermal Springs ◽  
Thermal Waters ◽  
Geothermal Waters ◽  
The North ◽  
Rain Rates

The study zone is one of the significant thermal waters in the north Algeria. It is characterized by a cold climate with intense rain rates 700 mm/year. The Jurassic geothermal reservoir system is exploited by thermal springs and traditional wells for agricultural purposes. The main reservoir lithology characterized by calcareous formations which yield the chemical features of highly mineralized Na-Cl type representing the thermal waters. Seven main Hot springs was samples collected June 2018 with a temperature average between 29 and 80° C and conductivities range from 2520 to 3766 μS/cm.For a better application of geothermal water sites, a multidisciplinary methods was adopted, geological site study, water chemistry and touristic impact for local economic development. In this study, a final map was realized of geothermal potential for possible exploitation of this clean energyKeywords: Biban, thermal springs, sustainable development, geothermal use, water chemistry

Geochemical features of the geothermal and mineral waters from Apuseni Mountains, Romania

2020 ◽  
Author(s):  
Alin-Marius Nicula ◽  
Artur Ionescu ◽  
Cristian-Ioan Pop ◽  
Carmen Roba ◽  
Walter D’Alessandro ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Pannonian Basin ◽  
Water Sources ◽  
Mineral Waters ◽  
Thermal Waters ◽  
Geothermal Waters ◽  
Study Region ◽  
Apuseni Mountains ◽  
The North ◽  
North Western

<p><strong>Geochemical features of the geothermal and mineral waters from Apuseni Mountains, Romania</strong></p><p>Alin-Marius Nicula<sup>1</sup>, Artur Ionescu<sup>1,2</sup>, Cristian-Ioan Pop<sup>1</sup>, Carmen Roba<sup>1</sup>, Walter D’Alessandro<sup>3</sup>, Ferenc Lazar Forray<sup>4</sup>, Iancu Oraseanu<sup>5</sup>, Calin Baciu<sup>1</sup></p><p><sup> </sup></p><p><sup>1</sup>Babes-Bolyai University, Faculty of Environmental Science and Engineering, Str. Fantanele nr. 30, 400294, Cluj-Napoca, Romania ([email protected])</p><p><sup>2</sup>University of Perugia, Department of Physics and Geology, Via A. Pascoli 06123, Perugia, Italy</p><p><sup>3</sup>Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Palermo, Via Ugo la Malfa, 153,</p><p>90146 Palermo, Italy</p><p><sup>4</sup>Department of Geology, Babes-Bolyai University, Kogalniceanu 1, 400084 Cluj-Napoca, Romania</p><p><sup>5</sup>Romanian Association of Hydrogeologists, Bucuresti, Romania</p><p> </p><p>The Apuseni Mountains are located in the western part of Romania and separate the Pannonian Basin from the Transylvanian Basin. These mountains are famous and intensely studied for their important non-ferrous metal resources. Few data were published about the geothermal potential of this area. More works have been dedicated to mineral waters, while the geothermal waters are only briefly described, without sufficient emphasis on them. The current research is focusing on the two categories, cold mineral and geothermal water in the Apuseni Mountains, compared to the surrounding areas, in order to better understand their genesis and the general context of the geothermalism in the study region. A preliminary survey of these waters was done in 2019 taking water and gas samples from 41 sources.</p><p>The pH varies between 6.00 and 9.02 and, the lowest values have been measured in the CO<sub>2</sub>-rich waters of the Southern Apuseni Mountains. Water temperatures vary between 11.1 <sup>â—‹</sup>C and 81 <sup>â—‹</sup>C. In the southern part of the Apuseni Mountains, the geothermal waters are of the calcium bicarbonate type (Ca-HCO<sub>3</sub>), while in the north-western part, the sodium bicarbonate type (Na-HCO<sub>3</sub>) is more common. The water sources from the north-western part are close to the Pannonian Basin and show features comparable to the thermal waters of this basin. Conductivity values show significant variations between 142 and 2040 µS/cm, but regional homogeneities were observed. The highest concentration of bicarbonate was measured in one of the localities of the northern study area (BeiuÅŸ Depression - 3318.4 mg/L). The dissolved heavy metal concentrations (Zn, Pb, Cd, Cr, Ni, Cu, Fe) in the water samples were also measured. For all the investigated waters, the heavy metal content was low. The highest concentrations were recorded for Fe 342.90 µg/L and Zn 86.14 µg/L. The isotopic data (δ<sup>18</sup>O and δ<sup>2</sup>H) demonstrate the meteoric origin of the thermal waters.</p><p>Some springs and wells release free gases. The gas chromatographic analyses show the prevalence of N<sub>2</sub> and CO<sub>2</sub>, with minor amounts of CH<sub>4 </sub>in the water sources close to the Pannonian Basin. The isotope composition of Helium shows values between 0.9 and 2.18 R/Ra indicating a prevailing crustal source with a significant mantle component. In the case of δ<sup>13</sup>C-CO<sub>2</sub> the values range between -12.7 and -6.1 ‰ vs.V-PDB, indicating that the CO<sub>2</sub> originates possibly from a limestone source.</p>

Acid-sulphate hydrothermal alteration of andesitic tuffs and genesis of halloysite and alunite deposits in the Biga Peninsula, Turkey

Clay Minerals ◽  
2008 ◽  
Vol 43 (2) ◽  
pp. 281-315 ◽  
Author(s):  
Ö. I. Ece ◽  
P. A. Schroeder ◽  
M. J. Smilley ◽  
J. M. Wampler
Keyword(s):  
Hydrothermal Alteration ◽  
Volcanic Rocks ◽  
Geothermal Field ◽  
Parent Material ◽  
Thermal Waters ◽  
Geothermal Waters ◽  
Biga Peninsula ◽  
The North ◽  
Clay Deposits ◽  
Nw Turkey

AbstractThe Biga Peninsula of NW Turkey is host to six major halloysite deposits in the Go¨nen, Yenice and Balya districts. Mineralization took place in areas of Permian limestone blocks where the Triassic Karakaya Complex is in contact with early Miocene calc-alkaline volcanic rocks. Hypogene halloysite mineralization was controlled by the intersection of minor faults in the vicinity of clay deposits. During the Pleistocene, activity of the North Anatolian Fault (NAF) brought ascending geothermal solutions through the fault zones to the surface, which led to hydrothermal alteration and halloysite formation. N-MORB normalized element values for each halloysite deposit and the volcanic rocks suggest genetic links. Alunite and halloysite were formed in the Turplu area where upwelling hydrothermal waters contained major H2S and SO2acids. Only halloysite mineralization occurred in outflow areas of the same fossil geothermal field.Pyrite and alunite samples from the Turplu deposits have δ34S values of 0.6–1.8% and 4.8–7.9%, respectively, with values for gypsum of 3.1–3.5%. The δ34S values of pyrite suggest that local meteoric waters had partially mixed with the dominant fluid during the closure stage of fossil hydrothermal activities. The range of δD values of halloysite samples from Turplu is –58.4 to –68.6%. The δ18O values for halloysite are in the range 16.7–18.1%. All halloysite deposits in the study areas are either overlying or adjacent to limestone blocks, and these provide excellent drainage for the discharging geothermal waters. Subsurface drainage systems in the karstic environment and the SO2-bearing thermal waters indicate the importance of acidic waters and the continuous leaching of elements in forming relatively pure hydrated halloysite. A steam-heated dissolution-precipitation model is proposed for the occurrence of all halloysite and alunite deposits. Sulphur gases (H2S-SO2) of hypogene origin rose from deep in the fault zone to the surface where they encountered oxygenated groundwater at the water table. The occurrence of H2SO4in this hydrothermal system enhanced the acidity of geothermal waters provoking advanced argillic alteration. Hypogene alunite deposits also have large P2O5contents, suggesting a parent material with a magmatic origin deeper than the alkaline tuffs. Halloysite is a fast-forming metastable precursor to kaolinite.

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

2021 ◽  
Vol 11 (2) ◽  
Author(s):  
Naima Farhat ◽  
Shabbir Hussain ◽  
Foqia Faisal ◽  
Iqra Batool ◽  
Mafia Noreen
Keyword(s):  
Hot Springs ◽  
Therapeutic Potential ◽  
Thermal Springs ◽  
Chemical Characteristics ◽  
Mineral Contents ◽  
North West ◽  
The North ◽  
Physico Chemical ◽  
Shigar Valley ◽  
Gilgit Baltistan

AbstractCurrent studies were performed to evaluate the physico-chemical characteristics and therapeutic potential of Chutrun thermal springs located in the North-west of Shigar Valley, Gilgit-Baltistan (Pakistan). Thermal springs with different mineral contents have been used by people for bathing and health purposes since old timings. The mineral water of these springs contains elements like sodium, potassium, calcium, magnesium as chlorides, fluorides, sulphates, phosphates and bicarbonates which may be responsible for cure of various diseases. Chutrun hot springs have 7.21–7.8 pH, 40–42° C Temperature, 300–310 ppm TDS, 3.1–6.7 ppm DO, 278–285 ppm hardness, 1.62–2.42 ppm turbidity, 250–260 ppm alkalinity, 500–516 ppm conductivity, 12–18 ppm sodium, 3.8–4.1 ppm potassium, 80–82 ppm calcium, 20 ppm magnesium, 9.6–12 ppm chlorides, 3.4–3.9 fluorides, 260–282 bicarbonates and 80–85 ppm sulphates. Absence of E.Coli and faecal coliforms indicated that waters from thermal springs are free from organic wastes contaminations. Water from thermal springs of Chutrun was unsuitable for drinking purposes due to the presence of high fluoride content and also small amount of total coliforms which may be due to the presence of environmental bacteria and non-protective measures during sampling but it was found suitable for bathing and other body contact activities.

scholarly journals XXVI. On the temperatures and geological relations of certain hot springs, particularly those of the Pyrenees; and on the of verification of thermometers

1836 ◽  
Vol 126 ◽  
pp. 571-616 ◽  
Keyword(s):  
Hot Springs ◽  
Accurate Determination ◽  
Mineral Waters ◽  
Thermal Springs ◽  
Thermal Waters ◽  
Eastern Pyrenees ◽  
Specific Description ◽  
True Source ◽  
Common Parlance

If the chemistry of mineral waters has been as yet prosecuted to a very limited extent, notwithstanding the number of eminent analysts who have engaged in the research, much more has every other topic connected with their origin and nature been superficially treated. The characters of springs of every kind are so important as to deserve minute and laborious research; and notwithstanding the partial essays of Von Buch and others, the whole subject remains in a state of confusion, and is involved in incongruities and contradictions. The chief point to which the observations about to be described were directed, is the temperature of thermal springs; and, referring to this point alone, we might prove the almost total absence of exact data on the subject. Every traveller, to be sure, has measured the temperature of springs, but few have been aware of the difficulties which even this apparently simple inquiry involves. We should have considered the accurate determination of the temperatures of thermal springs the first step towards a theory of their production. The constancy of that temperature from day to day, from year to year, from century to century, would appear one of the most essential facts to determine; yet I am aware of scarcely a single published observation capable of being satisfactorily employed in such an inquiry. Not only are the errors of the instruments unknown, but the circumstances under which the observations are made are liable to perpetual change. For instance, a spring in the state of nature may rise from rock directly, or from amongst debris. In the latter case, to fix the temperature is difficult, because it varies at different points; and it is nearly useless, because a year hence the circumstaqces of its efflux may be wholly changed. Again, in the more usual case of thermal waters being medicinally employed, it is frequently impossible (at least without much trouble) to reach the true source of the water, which is carried through pipes, conduits, and reservoirs before it is finally employed; and in this case the temperature is usually taken at the bath-cock, or at the 'buvette,’ or drinking-cock, where consequently the water has been subjected to the variable cooling action of its intermediate transit. Thus, for example, at the great establishment of La Raillière at Cauteretz, in the Hautes Pyrénées, the water is cooled from 101°·9 to 99°·8 in passing through a short and well-inclosed stone conduit from the source to the 'buvette’; and in the neighbouring spring of the Mahourat, the spout from which the water flows, though in contact with the granite rock from which it rises, and, in common parlance, the true or real source, I found to give a temperature 0°·5 lower than I obtained a few feet further back by squeezing myself into an almost inaccessible cleft of the rock. Thus for the most part we have no assurance that two travellers have observed the same spring at the same point; and hence identity of name by no means infers comparability, even supposing the instruments perfect. The frequent alterations in the thermal establishments render a specific description of the locality still more indispensable. Where the mineral water is not applied to use, we have a new difficulty in the recognition of a spring by the mere description of locality. That hot springs should ever be so abundant as to render this possible might seem improbable; I have had occasion to suffer from it, however, in following the footsteps of the indefatigable Anglada amongst the numerous and often almost inaccessible hot-springs of the Eastern Pyrenees (near Thuez, in Roussillon).

scholarly journals Main Therapeutic Uses of Some Moroccan Hot Springs’ Waters

2021 ◽  
Vol 2021 ◽  
pp. 1-11
Author(s):  
Kawtar Fikri-Benbrahim ◽  
Asmae Houti ◽  
Abdelhakim El Ouali Lalami ◽  
Rachid Flouchi ◽  
Naoufal El Hachlafi ◽  
...  
Keyword(s):  
Health Effects ◽  
Hot Springs ◽  
Skin Diseases ◽  
Local Population ◽  
Water Reservoir ◽  
Mineral Waters ◽  
Thermal Springs ◽  
Thermal Waters ◽  
Potential Health ◽  
Therapeutic Uses

Morocco has an important groundwater reserve, especially in the Atlas domain, corresponding to its largest water reservoir. This reserve comes from rainwater infiltrated into rocks and sediments to give rise to mineralized waters feeding many springs and having curative properties, which confer each spa-specific therapeutic indications, based on the medicinal properties of its waters. All over the world, mineral waters of thermal springs have interesting therapeutic uses to cure some diseases; unfortunately, such potential is underexploited in Morocco. This narrative review deals with the distribution of thermal springs in Morocco, the classification of their thermal waters, and their health effects, with the aim to enhance them. For this purpose, previous studies’ results on different aspects of thermal waters were searched in the most famous scientific databases, by using targeted specific keywords. Literature has shown that Morocco contains several thermal springs, scattered throughout the Middle Atlas, in the South, and in the Rif, which are regarded as waters of high therapeutic quality, whose thermal cures are often recommended to people suffering from rheumatism and locomotor system’s diseases, skin diseases such as eczema and psoriasis, cardiovascular diseases, overweight, or respiratory troubles. However, apart from the unique and real thermal station of Moulay Yacoub, the other thermal springs are exploited in an empirical and artisanal way, mainly by a local population. So, as hydrotherapy constitutes a good choice of natural therapy using water components as a complement or alternative to conventional treatments, a better understanding of the thermal springs’ distribution in Morocco, their thermal waters’ classification, and their potential health effects may enable their valorization through a better use of their waters.

INTERCONNECTION OF SUSTAINABLE DEVELOPMENT COMPONENTS FOR THE INDIGENOUS PEOPLES OF THE NORTH

2020 ◽  
Vol 2 (8) ◽  
pp. 101-110
Author(s):  
N. N. ILYSHEVA ◽  
◽  
E. V. KARANINA ◽  
G. P. LEDKOV ◽  
E. V. BALDESKU ◽  
...  
Keyword(s):  
Climate Change ◽  
Sustainable Development ◽  
Economic Development ◽  
Indigenous Peoples ◽  
Ecological Footprint ◽  
Positive Relationship ◽  
The North ◽  
Strong Positive Relationship ◽  
The Face ◽  
The Relationship

The article deals with the problem of achieving sustainable development. The purpose of this study is to reveal the relationship between the components of sustainable development, taking into account the involvement of indigenous peoples in nature conservation. Climate change makes achieving sustainable development more difficult. Indigenous peoples are the first to feel the effects of climate change and play an important role in the environmental monitoring of their places of residence. The natural environment is the basis of life for indigenous peoples, and biological resources are the main source of food security. In the future, the importance of bioresources will increase, which is why economic development cannot be considered independently. It is assumed that the components of resilience are interrelated and influence each other. To identify this relationship, a model for the correlation of sustainable development components was developed. The model is based on the methods of correlation analysis and allows to determine the tightness of the relationship between economic development and its ecological footprint in the face of climate change. The correlation model was tested on the statistical materials of state reports on the environmental situation in the Khanty-Mansiysk Autonomous Okrug – Yugra. The approbation revealed a strong positive relationship between two components of sustainable development of the region: economy and ecology.

scholarly journals Research Gap Analysis of Remote Sensing Application in Fisheries: Prospects for Achieving the Sustainable Development Goals

2021 ◽  
Vol 13 (5) ◽  
pp. 1013
Author(s):  
Kuo-Wei Yen ◽  
Chia-Hsiang Chen
Keyword(s):  
Sustainable Development ◽  
Indian Ocean ◽  
Atlantic Ocean ◽  
The Sustainable Development ◽  
The North ◽  
The Pacific ◽  
Development Goals ◽  
The Indian Ocean ◽  
The Pacific Ocean ◽  
Research Hotspots

Remote sensing (RS) technology, which can facilitate the sustainable management and development of fisheries, is easily accessible and exhibits high performance. It only requires the collection of sufficient information, establishment of databases and input of human and capital resources for analysis. However, many countries are unable to effectively ensure the sustainable development of marine fisheries due to technological limitations. The main challenge is the gap in the conditions for sustainable development between developed and developing countries. Therefore, this study applied the Web of Science database and geographic information systems to analyze the gaps in fisheries science in various countries over the past 10 years. Most studies have been conducted in the offshore marine areas of the northeastern United States of America. In addition, all research hotspots were located in the Northern Hemisphere, indicating a lack of relevant studies from the Southern Hemisphere. This study also found that research hotspots of satellite RS applications in fisheries were mainly conducted in (1) the northeastern sea area in the United States, (2) the high seas area of the North Atlantic Ocean, (3) the surrounding sea areas of France, Spain and Portugal, (4) the surrounding areas of the Indian Ocean and (5) the East China Sea, Yellow Sea and Bohai Bay sea areas to the north of Taiwan. A comparison of publications examining the three major oceans indicated that the Atlantic Ocean was the most extensively studied in terms of RS applications in fisheries, followed by the Indian Ocean, while the Pacific Ocean was less studied than the aforementioned two regions. In addition, all research hotspots were located in the Northern Hemisphere, indicating a lack of relevant studies from the Southern Hemisphere. The Atlantic Ocean and the Indian Ocean have been the subjects of many local in-depth studies; in the Pacific Ocean, the coastal areas have been abundantly investigated, while offshore local areas have only been sporadically addressed. Collaboration and partnership constitute an efficient approach for transferring skills and technology across countries. For the achievement of the sustainable development goals (SDGs) by 2030, research networks can be expanded to mitigate the research gaps and improve the sustainability of marine fisheries resources.

scholarly journals Multi-Use of the Sea as a Sustainable Development Instrument in Five EU Sea Basins

2021 ◽  
Vol 13 (15) ◽  
pp. 8159
Author(s):  
Joanna Przedrzymirska ◽  
Jacek Zaucha ◽  
Helena Calado ◽  
Ivana Lukic ◽  
Martina Bocci ◽  
...  
Keyword(s):  
Sustainable Development ◽  
Baltic Sea ◽  
Spatial Planning ◽  
Economic Benefits ◽  
The Black Sea ◽  
The North ◽  
The North Sea ◽  
Maritime Spatial Planning ◽  
Definition Of ◽  
The Impact

This paper examines the concept of maritime multi-use as a territorial/SPATIAL governance instrument for the enhancement of sustainable development in five EU sea basins. Multi-use (MU) is expected to enhance the productivity of blue economy sectors, as well as deliver additional socio-economic benefits related to the environmental and social dimensions of sustainable development. The paper provides a definition of maritime multi-use and identifies the multi-uses with the highest potential in EU sea basins. In each sea basin, multi-use plays a different role as concerns sustainable development. For the Eastern Baltic Sea, the Mediterranean Sea and the Black Sea, the MU focus should remain on the environmental pillar of sustainable development. In the North Sea, North Atlantic and Western Baltic Sea, addressing social sustainability seems a key precondition for success of MU in enhancement of sustainable spatial development at sea. Moreover, it has been suggested to introduce MU key global strategies such as SDGs or Macroregional strategies and action plans and to supplement maritime spatial planning with sectoral incentives and educational efforts as key vehicles supporting MU. The paper concludes by identifying aspects which, in order to inform maritime spatial planning and maritime governance regarding a more conscious application of the aforementioned concept, require further investigation. Key tasks are related to: more profound evaluation of performance of policies supporting MUs, researching the impact of MU on societal goals and on the MU costs and benefits, including external ones, and finally identifying the impact of MU on the development of various sectors and regions on land.

scholarly journals Spatio-Temporal Characteristics and Obstacle Factors of the Urban-Rural Integration of China’s Shrinking Cities in the Context of Sustainable Development

2021 ◽  
Vol 13 (8) ◽  
pp. 4203
Author(s):  
Bin Du ◽  
Ying Wang ◽  
Jiaxin He ◽  
Wai Li ◽  
Xiaohong Chen
Keyword(s):  
Sustainable Development ◽  
Economic Efficiency ◽  
Formation Mechanisms ◽  
Shrinking Cities ◽  
The Sustainable Development ◽  
Factors Affecting ◽  
Temporal Characteristics ◽  
The North ◽  
Urban Rural ◽  
Spatio Temporal

Based on the fundamental concept of sustainable development, this study empirically analyzes the spatio-temporal characteristics, formation mechanisms and obstacle factors of the urban-rural integration of shrinking cities in China, from 2008 to 2018. The conclusions are as follows: the overall level of the urban-rural integration of shrinking cities in China is low; the internal differences of urban-rural integration are also small, and the changes are slow. Next, the space difference is high in the east and low in the west, high in the south and low in the north. Moreover, differences exist among different levels of urban agglomerations. Urban economic efficiency, urban resources and environment, urban social equity and rural economic efficiency are the main factors affecting the urban-rural integration of shrinking cities in China. Urban and rural economic efficiency are the two most prominent shortcomings that restrict the urban-rural integration of shrinking cities. The spatial resistance mode of each city is more than the two-system resistance; the main resistance of shrinking cities with a higher level of urban-rural integration also comes from the non-economic field. This study expands the research scope that up till now has ignored the discussion of urban-rural issues in the research of shrinking cities at home and abroad, and provides practical guidance for the sustainable development of shrinking cities in China.

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