Results 21 to 30 of about 5,697 (157)

Using ML Methods for obtaining the prediction of maximum dry density

Journal of Applied Science and Engineering
In geotechnical engineering, maximum dry density (MDD) is a fundamental concept, referring to the maximum mass per unit volume under specified conditions. MDD is pivotal for ensuring the stability of earthwork, including foundations and dams.
Ying Liu, Liguo Teng
doaj   +1 more source

A versatile water vapor generation module for vapor isotope calibration and liquid isotope measurements [PDF]

Atmospheric Measurement Techniques
A versatile vapor generation module has been developed for both field-based water vapor isotope calibrations and laboratory-based liquid water isotope measurements.
H. C. Steen-Larsen, D. Zannoni, D. Zannoni   +2 more
doaj   +1 more source

A new software toolkit for optical apportionment of carbonaceous aerosol [PDF]

Atmospheric Measurement Techniques
Instruments measuring aerosol light absorption, such as the Aethalometer and the Multi-Wavelength Absorbance Analyzer (MWAA), have been extensively used to characterize optical absorption of atmospheric particulate matter.
T. Isolabella, T. Isolabella, V. Bernardoni, V. Bernardoni, A. Bigi, M. Brunoldi, M. Brunoldi, F. Mazzei, F. Mazzei, F. Parodi, P. Prati, P. Prati, V. Vernocchi, D. Massabò, D. Massabò   +14 more
doaj   +1 more source

A sustainable business ecosystem: a case study demonstrating biochar's potential

Biofuels, Bioproducts and Biorefining, EarlyView.
Abstract The need for renewable, climate‐friendly resources has become urgent as legislators worldwide have sought to find ways to cut emissions while ensuring resource security for consumers. The use of biochar could help to achieve these goals. This study examines the current state of commercial biochar production and the maturity of the related ...
Juuso Kivijakola, Eemeli Erkheikki, Viljo Lukka, Pekka Tervonen, Harri Haapasalo   +4 more
wiley   +1 more source

Global evaluation of fast radiative transfer model coefficients for early meteorological satellite sensors [PDF]

Atmospheric Measurement Techniques
RTTOV (the Radiative Transfer for TOVS code, where TOVS is the TIROS Operational Vertical Sounder) coefficients are evaluated using a large, independent dataset of 25 000 atmospheric model profiles as a robust test of the diverse 83 training profiles ...
B. B. Silveira, B. B. Silveira, E. C. Turner, J. Vidot   +3 more
doaj   +1 more source

Carbon emission assessment of tunnel infrastructures: From construction to operation

Deep Underground Science and Engineering, EarlyView.
This study develops a lifecycle carbon accounting framework for tunnel infrastructures, covering design, construction, operation, maintenance, and dismantling. Applied to a subsea tunnel case, the framework reveals the carbon emission distribution among four typical tunnel types and highlights potential carbon offset methods for low‐carbon tunnel ...
Luyuan Long, Wout Broere, Xuehui Zhang, Tian Xia, Richard de Nijs   +4 more
wiley   +1 more source

Long-term aerosol particle depolarization ratio measurements with HALO Photonics Doppler lidar [PDF]

Atmospheric Measurement Techniques
It has been demonstrated that HALO Photonics Doppler lidars (denoted HALO Doppler lidar hereafter) have the capability for retrieving the aerosol particle depolarization ratio at a wavelength of 1565 nm.
V. Le, H. Lobo, E. J. O'Connor, V. Vakkari, V. Vakkari   +4 more
doaj   +1 more source

Spatial Lock‐In and Reclamation Delay in Coal‐Subsidence Landscapes: Land Degradation Under Passive Water‐Retention Strategies

Land Degradation &Development, EarlyView.
ABSTRACT In coal‐grain composite regions, intensive underground coal extraction causes large‐scale surface subsidence; under shallow groundwater conditions, these subsided landscapes rapidly transform former croplands into persistent open water bodies, creating long‐term inundated landscapes. Passive water‐retention strategies in these areas often rely
Ruihao Cui, Lingtong Meng, Xiao Wang, Yan Han, Jiazheng Han, Jennifer Franklin, Zhenqi Hu   +6 more
wiley   +1 more source

Geometrical and optical properties of cirrus clouds in Barcelona, Spain: analysis with the two-way transmittance method of 4 years of lidar measurements [PDF]

Atmospheric Measurement Techniques
In this paper a statistical study of cirrus geometrical and optical properties based on 4 years of continuous ground-based lidar measurements with the Barcelona (Spain) Micro Pulse Lidar (MPL) is analysed. First, a review of the literature on the two-way
C. Gil-Díaz, M. Sicard, M. Sicard, M. Sicard, A. Comerón, D. C. F. dos Santos Oliveira, C. Muñoz-Porcar, A. Rodríguez-Gómez, J. R. Lewis, E. J. Welton, S. Lolli, S. Lolli   +11 more
doaj   +1 more source

Can Environmental Markets Pay for More Sustainable Farm Dams? A Cost–Benefit Analysis

Sustainable Development, EarlyView.
ABSTRACT Farm dams are widespread artificial waterbodies that play a critical role in agricultural water security. Enhancing these systems through sustainable interventions such as fencing, hardened access points, and revegetation can improve water quality and deliver carbon and biodiversity co‐benefits.
K. U. D. N. Hansani, Lukas Schuster, Peter I. Macreadie, Kym Whiteoak, Martino E. Malerba   +4 more
wiley   +1 more source