Salinization processes in paleowaters in coastal sediments of Suriname: evidence from δ37Cl analysis and diffusion modelling

Groen, J.; Velstra, J.; Meesters, A. G. C. A.

doi:10.1016/s0022-1694(00)00235-3

Cited by 129 publications

(76 citation statements)

References 18 publications

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“…Our results for the fractionation of Cl isotopes by diffusion of LiCl and MgCl 2 in water are comparable to the experimental results for Cl isotope fractionation during diffusion of NaCl in water reported by Coleman and coworkers ðD37 Cl =D35 Cl ¼ 0:9981-0:9986Þ at the 2000 Goldschmidt Conference (Coleman et al, 2000). Our results are also within the range of the D37 Cl =D35 Cl values (0.9970-0.9988) estimated from measurements of Cl isotope ratios in sedimentary pore waters in a variety of natural settings (Desaulniers et al, 1986;Eggenkamp et al, 1994;Groen et al, 2000;Hesse et al, 2000).…”

Section: Isotopic Fractionationsupporting

confidence: 84%

Kinetic isotopic fractionation during diffusion of ionic species in water

Richter

Mendybaev

Christensen

et al. 2006

Geochimica et Cosmochimica Acta

182

156

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Section: Isotopic Fractionationsupporting

confidence: 84%

Kinetic isotopic fractionation during diffusion of ionic species in water

Richter

Mendybaev

Christensen

et al. 2006

Geochimica et Cosmochimica Acta

182

156

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“…Bentuk (morfodinamika) geometri delta Cimanuk dalam klasifikasi delta oleh Colemen dan Wright (1975) dalam Solihuddin (2009), bertipe telapak kaki burung (birdfoot-type delta) atau menjari yang menunjukkan bahwa proses fluvial lebih dominan dibandingkan dengan proses laut. Groen, et al, (2000) menuliskan bahwa bentuk hasil endapan delta merupakan salah satu daratan yang memungkinkan terdapatnya airlaut yang terjebak dikala pembentukan daratan. Penyebaran dataran rendah sebagai endapan delta meliputi seluruh daerah Indramayu bagian utara dan dataran banjirnya meliputi 50% dari luasan wilayah Indramayu.…”

Section: Pendahuluanunclassified

Pola Sebaran Tipe Air Berdasarkan Kandungan Ion Utama Pada Airtanah Dangkal Di Indramayu, Jawa Barat

Rusydi¹,

Martosuparno²,

Maria³

2017

Ris.Geo.Tam

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ABSTRAK Topografi daerah Indramayu merupakan dataran rendah hingga pantai, yang secara geologi terbentuk akibat endapan sungai. Indramayu merupakan daerah sub-urban yang diprediksi akan berkembang menjadi wilayah urban seiring dengan perkembangan Ibu Kota Jakarta. Perkembangan wilayah akan berdampak pada peningkatan kebutuhan air bersih yang saat ini salah satu sumbernya berasal dari airtanah dangkal. Kondisi airtanah dangkal di lokasi ini merupakan hal yang menarik untuk dikaji karena datarannya terbentuk pada lingkungan laut, sehingga memungkinkan airtanah tercemar oleh airlaut yang terjebak di kala pembentukan daratan. nalisis kualitas airtanah dangkal telah dilakukan terhadap 33 conto yang diambil mulai dari Jatibarang hingga pantai utara Indramayu. Dari hasil analisis kimia air di laboratorium dilakukan pembahasan khusus untuk ion-ion utama yang dihubungkan dengan kondisi lingkungannya. Kandungan TDS, Cl-, dan Ca2+ menunjukkan klasifikasi airtanah di wilayah penelitian didominasi oleh tipe air tawar, agak payau, air agak asin. Klasifikasi tersebut secara geologi berada pada dataran endapan banjir dengan susunan batuan lempung pasiran, pasir lempungan, dan endapan.Kata kunci: Indramayu, delta, airtanah, ion utama, TDS, konduktivitas. ABSTRACT Indramayu is located at lowland and coastal zones, which had been geologically formed from river deposits. Indramayu is a suburban, which is predicted to develop into an urban

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“…59 Yet, further studies conducted in Suriname concluded that there is no active groundwater flow system, with onshore recharge and submarine discharge. 56,57 The fresh groundwater reservoir is, instead, paleo groundwater, formed during the Wisconsin sea level when recharge was higher and occurred in the entire coastal plain. 56 …”

Section: Sgd In the Coast Of Surinamementioning

confidence: 99%

Advances of Submarine Groundwater Discharge Studies in South America

Paiva¹,

Niencheski²

2017

J. Braz. Chem. Soc.

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Submarine groundwater discharge (SGD) is the hidden portion of water that discharges into the ocean across the ocean-land interface, and it is considered one of the hydrological cycle's major components. Two decades ago, SGD in South America was undocumented, and significant advances on this field has occurred since then. This paper presents the results of SGD investigations, a compilation of the SGD estimations, and the areas lacking of data in South America. The compilation of observed SGD in South America shows that groundwater seepage from the land to the ocean occurs in many environments along the coast. Considering only the few regions for which the total SGD flux was estimated, the SGD flux (ca. 1.2 × 10 8 m 3 day -1 ) is equivalent in volume to almost 70% of Amazon River discharge. Although the study of SGD in South America has greatly advanced, many uninvestigated sites and key questions remain.

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Salinization processes in paleowaters in coastal sediments of Suriname: evidence from δ37Cl analysis and diffusion modelling

Cited by 129 publications

References 18 publications

Kinetic isotopic fractionation during diffusion of ionic species in water

Kinetic isotopic fractionation during diffusion of ionic species in water

Pola Sebaran Tipe Air Berdasarkan Kandungan Ion Utama Pada Airtanah Dangkal Di Indramayu, Jawa Barat

Advances of Submarine Groundwater Discharge Studies in South America

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