Internet of Things to network smart devices for ecosystem monitoring

X Li, N Zhao, R **, S Liu, X Sun, X Wen, D Wu, Y Zhou… - Science Bulletin, 2019 - Elsevier
Abstract Smart, real-time, low-cost, and distributed ecosystem monitoring is essential for
understanding and managing rapidly changing ecosystems. However, new techniques in …

[HTML][HTML] isotopocule measurements using laser spectroscopy: analyzer characterization and intercomparison

SJ Harris, J Liisberg, L **a, J Wei… - Atmospheric …, 2020 - amt.copernicus.org
For the past two decades, the measurement of nitrous oxide (N 2 O) isotopocules–
isotopically substituted molecules 14 N 15 N 16 O, 15 N 14 N 16 O and 14 N 14 N 18 O of …

Mixing ratio and carbon isotopic composition investigation of atmospheric CO2 in Bei**g, China

J Pang, X Wen, X Sun - Science of the Total Environment, 2016 - Elsevier
The stable isotope composition of atmospheric CO 2 can be used as a tracer in the study of
urban carbon cycles, which are affected by anthropogenic and biogenic CO 2 components …

Environmental effects on carbon isotope discrimination from assimilation to respiration in a coniferous and broad-leaved mixed forest of Northeast China

H Diao, A Wang, F Yuan, D Guan, G Dai, J Wu - Forests, 2020 - mdpi.com
Carbon (C) isotope discrimination during photosynthetic CO2 assimilation has been
extensively studied, but the whole process of fractionation from leaf to soil has been less …

Calibration of isotopologue-specific optical trace gas analysers: a practical guide

DWT Griffith - Atmospheric Measurement Techniques, 2018 - amt.copernicus.org
The isotopic composition of atmospheric trace gases such as CO 2 and CH 4 provides a
valuable tracer for the sources and sinks that contribute to atmospheric trace gas budgets. In …

Near-surface atmospheric concentrations of greenhouse gases (CO2 and CH4) in Florence urban area: Inferring emitting sources through carbon isotopic analysis

S Venturi, J Cabassi, F Tassi, G Maioli, A Randazzo… - Urban Climate, 2021 - Elsevier
Abstract From February to April 2019, near-surface CO 2 and CH 4 concentrations and
carbon isotopic compositions (δ 13 C-CO 2 and δ 13 C-CH 4) were monitored at four …

[HTML][HTML] Pollution events at the high-altitude mountain site Zugspitze-Schneefernerhaus (2670 m asl), Germany

H Ghasemifard, FR Vogel, Y Yuan, M Luepke, J Chen… - Atmosphere, 2019 - mdpi.com
Within the CO2 time series measured at the Environmental Research Station
Schneefernerhaus (UFS), Germany, as part of the Global Atmospheric Watch (GAW) …

System for δ13C–CO2 and xCO2 analysis of discrete gas samples by cavity ring-down spectroscopy

D Dickinson, S Bodé, P Boeckx - Atmospheric Measurement …, 2017 - amt.copernicus.org
A method was devised for analysing small discrete gas samples (50 mL syringe) by cavity
ring-down spectroscopy (CRDS). Measurements were accomplished by inletting 50 mL …

Towards improved spectroscopic applications in multi-gas environments: CO2 spectral line parameter measurement and analysis

W Nie, Z Zhou, Z Xu, R Niu, Y Ran, R Kan - Spectrochimica Acta Part A …, 2025 - Elsevier
Abstract The ν 1+ 2ν 2+ ν 3 band of 12 CO 2 is dominated by weak absorption lines near 2.0
uμm, which has potential application in planetary atmosphere, astrophysical, and …

Atmospheric CO2 and δ13C measurements from 2012 to 2014 at the environmental research station Schneefernerhaus, Germany: Technical Corrections, Temporal …

H Ghasemifard, Y Yuan, M Luepke, C Schunk… - Aerosol and Air Quality …, 2019 - Springer
This study presents continuous atmospheric CO 2 and δ 13 C measurements by wavelength-
scanned cavity ring down spectroscopy (Picarro G1101-i) at the high-mountain station …