Character of sapropel properties based on its formation conditionsand possibilities of its use

6533b828fe1ef96bd12892fc

RESEARCH PRODUCT

Character of sapropel properties based on its formation conditionsand possibilities of its use

Karina Stankeviča

subject

Promocijas darba kopsavilkums Vides zinātne PhD thesis PhD thesis summary Promocijas darbs Environmental Sciences Vides aizsardzība

description

Tika pētītas sapropeļa īpašību un izmantošanas iespēju izmaiņas Latvijā. Tika izveidota saldūdens ezeru sapropeļa GIS datubāze un sapropeļa tipu klasifikācija. Trīs ezeru profilu izpēte tika īstenota izmantojot multidisciplināru pieeju. Lai rekonstruētu vides un klimata apstākļus, tika veikta nogulumu vecuma noteikšanu. Sapropeļa uzkrāšanās ir raksturīga ezeriem, kas veidojušies Augšpleistocēna nogulumos, kas ietekmē sapropeļa tipu. Sapropeļa veids un sastāvs atšķiras katras iegulas ietvaros un atkarīgs no ūdens ķīmiskā sastāva, dziļuma un temperatūras. Jaunākajos nogulumos ir augstāka metālu koncentrācijas, kas saistīts ar cilvēka darbības ietekmi. Atslēgvārdi: saldūdens sapropelis, gitija, sedimentu veidošanās apstākļi, holocēns, metālisko elementu akumulācija, putekšņi, makro- un mikroatliekas, malakofauna, Latvijas ezeri

year	journal	country	edition	language
2020-01-01

https://dspace.lu.lv/dspace/handle/7/53296

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