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Investigation and evaluation of carbon dioxide emissions from soil in Neris regional park

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Date
2011
Author
Baltrėnas, Pranas
Pranskevičius, Mantas
Lietuvninkas, Arvydas
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Abstract
Soils release around 20% of the total CO2 content to the atmosphere; consequently, forest and agricultural ecosystems have a big influence on CO2 balance. Until recently, the majority of CO2 measurements of Lithuanian soils were either carried out under laboratory conditions or obtained by applying outdated research methods. CO2 investigations in Neris Regional Park were carried out under field conditions during plant vegetation by using the CO2 emission measuring instrument ADC BioScientific and soil chamber, the analysis system of which includes a metal collar of ~ 0.9 m2 area. This infrared gas analysis system performs measurements within the range of 0–2000 ppm, with an error of 1 ppm. The emission’s error is a mere ±2%. The system allows making reliable measurements within the temperature range of –5 °C to +50 °C.
 
Apie 20% viso CO2 kiekio, patenkančio į atmosferą, išskiria dirvožemiai, todėl miškų bei agroekosistemos daro nemažą įtaką CO2 balansui. Lietuvoje iki pastarųjų metų dirvožemio CO2 matavimai daugeliu atveju buvo atliekami laboratorinėmis sąlygomis, arba duomenys surinkti taikant senstelėjusius tyrimų metodus. CO2 tyrimai Neries regioniniame parke atlikti lauko salygomis augalų vegetacijos metu matuojant ADC BioScientific CO2 emisijos matuokliu. Šios infraraudonųjų spindulių dujų analizavimo sistemos skalė 0–2000 ppm, paklaida 1 ppm. Emisijos paklaida tesudaro ±2 %. Matavimai šiuo prietaisu patikimi –5–+50 °C temperatūroje.
 
Issue date (year)
2011
URI
https://etalpykla.vilniustech.lt/handle/123456789/130640
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  • Straipsniai Web of Science ir/ar Scopus referuojamuose leidiniuose / Articles in Web of Science and/or Scopus indexed sources [7946]

 

 

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