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Hydrology and Water Resources2025

ASSESSMENT OF HYDROCHEMICAL VARIABILITY IN THE SVETE RIVER AND ITS TRIBUTARIES UNDER ANTHROPOGENIC PRESSURE

Anda Bakute, Inga Grīnfelde, Paula Miezaka, Kristaps Siltumens, Jovita Pilecka-Uļčugačeva · 25th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2025, Water Resources, Forest, Marine, and Ocean Ecosystems, Vol 25, Issue 3.2

DOIWater quality Rural water management Nitrogen and phosphorus loads River Svete

Air Pollution and Climate Change2024

ASSESSMENT OF HEAVY METAL CONTAMINATION IN URBAN SNOW: A CASE STUDY OF NICKEL AND COPPER IN JELGAVA, LATVIA

Jovita Pilecka-Uļčugačeva, Anda Bakute, Māris Bērtiņš, Kristaps Siltumens, Inga Grīnfelde · 24th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2024, Energy and Clean Technologies, Vol 24, Issue 4.2

DOIWaste burning metal industry pollution accumulation food chains toxicity

Air Pollution and Climate Change2024

BIOMONITORING OF HEAVY METALS IN THE CITY OF JELGAVA, LATVIA USING LICHEN, XANTHORIA PARIETINA

Jovita Pilecka-Uļčugačeva, Anda Bakute, Oskars Purmalis, Kristaps Siltumens, Inga Grīnfelde · 24th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2024, Energy and Clean Technologies, Vol 24, Issue 4.1

DOIir pollution heavy metals ICP-OES particulate matter Xanthoria parietina

Air Pollution and Climate Change2024

EFFECTS OF TILLAGE SYSTEMS ON METHANE ASSIMILATION IN CAMBIC CALCISOL AND IMPLICATIONS FOR CLIMATE CHANGE MITIGATION

Kristine Valujeva, Jovita Pilecka-Uļčugačeva, Kristaps Siltumens, Olga Skiste, Inga Grīnfelde · 24th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2024, Energy and Clean Technologies, Vol 24, Issue 4.2

DOIconventional tillage reduced tillage agriculture GHG emissions Picarro G2508 soil

Hydrology and Water Resources2024

MODELLING OF HYDROMORPHOLOGICAL CHANGES DUE TO THE EFFECT OF FISHING PORT "KARANTINATA"

Petya Eftimova, Nikolay alchev, Bogdan Prodanov, Nataliya Andreeva, Todor Lambev, Lyubomir Dimitrov · 24th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2024, Water Resources. Forest, Marine and Ocean Ecosystems, Vol 24, Issue 3.1

DOIcoastal system beach evolution coastal (processes) modelling port siltation

Soils2024

TEMPORAL VARIATIONS IN GREENHOUSE GAS EMISSIONS FROM AGRICULTURAL SOILS

Kristine Valujeva, Jovita Pilecka-Uļčugačeva, Kristaps Siltumens, Olga Skiste, Inga Grīnfelde · 24th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2024, Water Resources. Forest, Marine and Ocean Ecosystems, Vol 24, Issue 3.1

DOInitrous oxide carbon dioxide methane Picarro G2508 land management

Education and Accreditation2024

THE TRANSFORMATION OF EDUCATIONAL MODELS AS THE KEY FACTOR OF ECO-INNOVATIONS

Katrina Muizniece, Jovita Pilecka-Uļčugačeva, Kristaps Siltumens, Dace Butenaite, Inga Grīnfelde · 24th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2024, Ecology, Economics, Education and Legislation, Vol 24, Issue 5.1

DOIeducational models eco-innovations educational system transformation

Air Pollution and Climate Change2023

EFFECT OF SOIL GRANULOMETRIC COMPOSITION AND MOISTURE ON THE FORMATION OF N2O ISOTOPES

Sindija Liepa, Dace Butenaite, Jovita Pilecka-Uļčugačeva, Kristaps Siltumens, Inga Grīnfelde · SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 23rd International Multidisciplinary Scientific GeoConference Proceedings SGEM 2023, Energy and Clean Technologies, Vol 23, Issue 4.2

DOIN2O isotopes agricultural soil moisture Picarro G5131-i.

Air Pollution and Climate Change2023

FORMATION OF N2O ISOTOPES IN AGRICULTURAL SOILS

Sindija Liepa, Dace Butenaite, Jovita Pilecka-Uļčugačeva, Kristaps Siltumens, Inga Grīnfelde · SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 23rd International Multidisciplinary Scientific GeoConference Proceedings SGEM 2023, Energy and Clean Technologies, Vol 23, Issue 4.1

DOIN2O isotopes agricultural soil Picarro G5131-I soil ph

Air Pollution and Climate Change2023

INTERACTION BETWEEN METHANE AND CARBON DIOXIDE EMISSIONS USING METHANE-REDUCING BIOCOVER

Kristaps Siltumens, Inga Grīnfelde, Juris Burlakovs, Sindija Liepa, Jovita Pilecka-Uļčugačeva · SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 23rd International Multidisciplinary Scientific GeoConference Proceedings SGEM 2023, Energy and Clean Technologies, Vol 23, Issue 4.2

DOIAir pollution biodegradation greenhouse gas mitigation measures emissions interaction

Air Pollution and Climate Change2023

INTERACTION BETWEEN METHANE AND NITROUS OXIDE EMISSIONS USING METHANE-REDUCING BIOCOVER

Kristaps Siltumens, Inga Grīnfelde, Juris Burlakovs, Sindija Liepa, Jovita Pilecka-Uļčugačeva · SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 23rd International Multidisciplinary Scientific GeoConference Proceedings SGEM 2023, Energy and Clean Technologies, Vol 23, Issue 4.2

DOIAir pollution biodegradation greenhouse gas mitigation measures emissions interaction

Air Pollution and Climate Change2023

REDUCTION OF METHANE EMISSION FROM LANDFILLS WITH CELLULOSE IN BIOCOVER

Kristaps Siltumens, Inga Grīnfelde, Sindija Liepa, Juris Burlakovs, Sabine Makejeva · SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 23rd International Multidisciplinary Scientific GeoConference Proceedings SGEM 2023, Energy and Clean Technologies, Vol 23, Issue 4.1

DOIBiocover methane emissions fine fraction waste cellulose

Air Pollution and Climate Change2023

THE DISTRIBUTION OF TUNGSTEN IN JELGAVA CITY AT 2022 AND 2023

Jovita Pilecka-Uļčugačeva, Anda Bakute, Māris Bērtiņš, Kristaps Siltumens, Inga Grīnfelde · SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 23rd International Multidisciplinary Scientific GeoConference Proceedings SGEM 2023, Energy and Clean Technologies, Vol 23, Issue 4.2

DOItungsten ICP-MS air pollution snow traffic in the city

Air Pollution and Climate Change2022

BIOCOVER COMPOSITION IMPACT ON LANDFILL METHANE EMISSIONS REDUCTION

Kristaps Siltumens, Inga Grīnfelde, Sindija Liepa, Elina Paula Puzule, Juris Burlakovs · SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Energy and Clean Technologies, VOL 22, ISSUE 4.2

DOIBiocover GHG mitigation measures methane emissions fine fraction biodegradation

Air Pollution and Climate Change2022

EFFECT OF SOIL PHYSICAL PROPERTIES ON N2O ISOTOPE FORMATION

Sindija Liepa, Kristaps Siltumens, Jovita Pilecka-Uļčugačeva, Inga Grīnfelde, Dace Butenaite · SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Energy and Clean Technologies

DOIN2O isotopes soil moisture Picarro G5131-i

Air Pollution and Climate Change2022

FARM MANAGEMENT PRACTICE IMPACT ON N2O EMISSION

Dace Butenaite, Sindija Liepa, Kristaps Siltumens, Jovita Pilecka-Uļčugačeva, Inga Grīnfelde · SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Energy and Clean Technologies, VOL 22, ISSUE 4.2

DOIN2O isotopes biological agriculture conventional agriculture Picarro G5131-i

Air Pollution and Climate Change2022

IMPACTS OF GRASSLAND PLANT COMPOSITION ON GHG EMISSIONS IN CLAY SOIL

Kristaps Siltumens, Sindija Liepa, Inga Grīnfelde, Diāna Ruska, Dzidra Kreišmane · SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Energy and Clean Technologies

DOIGrassland GHG emissions clay soil plant composition

Air Pollution and Climate Change2022

INFLUENCE OF GROWN CULTURE ON N2O FORMATION

Sindija Liepa, Kristaps Siltumens, Jovita Pilecka-Uļčugačeva, Inga Grīnfelde, Dace Butenaite · SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Energy and Clean Technologies, VOL 22, ISSUE 4.2

DOIN2O isotopes crops GHG mitigation measures Picarro G5131-i

Hydrology and Water Resources2022

POLDER SYSTEM IMPACT ON NATURA 2000 TERRITORIES: A CASE STUDY OF VALGUNDE LATVIA

Kristaps Siltumens, Inga Grīnfelde, Sindija Liepa, Jovita Pilecka-Uļčugačeva, Anda Bakute · SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Water Resources. Forest, Marine and Ocean Ecosystems, VOL 22, ISSUE 3.2

DOINatuura2000 Polder systems drainage system wetland water balance

Mineral Processing2022

POTENTIOMETRICAL SCREENING OF LANDFILL MINED FINE FRACTION OF WASTE

Juris Burlakovs, Jovita Pilecka-Uļčugačeva, Inga Grīnfelde, Kristaps Siltumens, Zane Vincēviča–Gaile · SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Science and Technologies in Geology, Exploration And Mining

DOIselective ion potentiometry biocover quality heavy metals leaching free exchange cations