Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

The Soil Ecosystem02:23

The Soil Ecosystem

25.0K
Plants obtain inorganic minerals and water from the soil, which acts as a natural medium for land plants. The composition and quality of soil depend not only on the chemical constituents but also on the presence of living organisms. In general, soils contain three major components:
25.0K
Gas Chromatography: Sample Injection Systems01:08

Gas Chromatography: Sample Injection Systems

1.6K
In gas chromatography, the sample is introduced as a vapor plug into the carrier gas stream for high efficiency and resolution. A microsyringe injects the sample solution into a heated sample port, vaporizing it and mixing it with the carrier gas. This process is important to ensure the sample is properly prepared for analysis. Thermally sensitive samples can be injected directly into the column and volatilized by slowly increasing the column temperature.
Two primary injection methods are used...
1.6K
Quantifying Work02:30

Quantifying Work

24.5K
As a system undergoes a change, its internal energy can change, and energy can be transferred from the system to the surroundings, or from the surroundings to the system.
24.5K
Static Equilibrium - I01:05

Static Equilibrium - I

18.9K
A rigid body is said to be in dynamic equilibrium when both its linear and angular acceleration are zero, relative to an inertial frame of reference. This means that a body in equilibrium can be moving, but only when its linear and angular velocities are constant. A rigid body is said to be in static equilibrium when it is at rest in the selected frame of reference. The distinction between static equilibrium (e.g., a state of rest) and dynamic equilibrium (e.g, a state of uniform motion) is...
18.9K
Static Equilibrium - II01:07

Static Equilibrium - II

10.0K
Static equilibrium is a special case in mechanics that is very important in everyday life. It occurs when the net force and the net torque on an object or system are both zero. This means that both the linear and angular accelerations are zero. Thus, the object is at rest, or its center of mass is moving at a constant velocity. However, this does not mean that no forces are acting on the object within the system. In fact, there are very few scenarios on Earth in which no forces are acting upon...
10.0K
Static Friction01:18

Static Friction

1.5K
Static friction is a force that opposes the relative motion or tendency of motion between two surfaces in contact. It plays a crucial role in our daily lives, from walking on the ground to driving a car.
For example, consider a scenario where a truck is connected to a car by a rope, ready to tow it along a road. When no external force is applied by the truck, the car remains stationary and is said to be in static equilibrium. In this case, the forces acting on the car, such as gravity and the...
1.5K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A Review of Extraction Techniques for Per- and Polyfluoroalkyl Substances in Graminaceous Plants.

Critical reviews in analytical chemistry·2026
Same author

Author Correction: A global soil plasmidome resource unveils functional and ecological roles of plasmids in soil microbiomes.

Nature communications·2026
Same author

Interactive effects of depth and differential irrigation on soil microbiome composition and functioning.

Frontiers in microbiomes·2026
Same author

Stream channel storage: Closing the watershed total phosphorus budget.

Journal of environmental quality·2026
Same author

Neonicotinoid and s-triazine pesticide transport dynamics in a small karst agricultural watershed.

Journal of environmental quality·2026
Same author

Saturated buffer performance under alternative weir settings: Implications for design and management.

Journal of environmental quality·2026

Related Experiment Video

Updated: Feb 12, 2026

Measurement of Greenhouse Gas Flux from Agricultural Soils Using Static Chambers
11:50

Measurement of Greenhouse Gas Flux from Agricultural Soils Using Static Chambers

Published on: August 3, 2014

42.5K

Portable Automation of Static Chamber Sample Collection for Quantifying Soil Gas Flux.

Morgan P Davis, Tyler A Groh, Timothy B Parkin

    Journal of Environmental Quality
    |April 11, 2018
    PubMed
    Summary
    This summary is machine-generated.

    Automated soil gas flux measurements using the FluxCASE system improve efficiency and maintain accuracy. This innovation allows technicians to monitor multiple chambers simultaneously, reducing labor intensity in soil gas flux quantification.

    More Related Videos

    Assessment of Methane and Nitrous Oxide Fluxes from Paddy Field by Means of Static Closed Chambers Maintaining Plants Within Headspace
    09:03

    Assessment of Methane and Nitrous Oxide Fluxes from Paddy Field by Means of Static Closed Chambers Maintaining Plants Within Headspace

    Published on: September 6, 2018

    13.1K
    Measurements of Soil Carbon by Neutron-Gamma Analysis in Static and Scanning Modes
    07:51

    Measurements of Soil Carbon by Neutron-Gamma Analysis in Static and Scanning Modes

    Published on: August 24, 2017

    7.7K

    Related Experiment Videos

    Last Updated: Feb 12, 2026

    Measurement of Greenhouse Gas Flux from Agricultural Soils Using Static Chambers
    11:50

    Measurement of Greenhouse Gas Flux from Agricultural Soils Using Static Chambers

    Published on: August 3, 2014

    42.5K
    Assessment of Methane and Nitrous Oxide Fluxes from Paddy Field by Means of Static Closed Chambers Maintaining Plants Within Headspace
    09:03

    Assessment of Methane and Nitrous Oxide Fluxes from Paddy Field by Means of Static Closed Chambers Maintaining Plants Within Headspace

    Published on: September 6, 2018

    13.1K
    Measurements of Soil Carbon by Neutron-Gamma Analysis in Static and Scanning Modes
    07:51

    Measurements of Soil Carbon by Neutron-Gamma Analysis in Static and Scanning Modes

    Published on: August 24, 2017

    7.7K

    Area of Science:

    • Environmental Science
    • Soil Science
    • Analytical Chemistry

    Background:

    • Static chamber method for soil gas flux quantification is labor-intensive.
    • Limited sampling capacity due to technician availability and chamber spacing.
    • Need for an automated system to improve efficiency and enable simultaneous multi-chamber sampling.

    Purpose of the Study:

    • To describe the design and operation of the Chamber Automated Sampling Equipment (FluxCASE).
    • To evaluate the accuracy and precision of the FluxCASE system for soil gas flux measurements.
    • To assess the cost-effectiveness of implementing the FluxCASE system.

    Main Methods:

    • Laboratory evaluation of FluxCASE using standardized gas mixtures (N2O, CO2, CH4).
    • Field validation comparing FluxCASE measurements with manual sampling for N2O and CO2 fluxes.
    • Regression analysis to assess agreement and bias between automated and manual methods.
    • Cost-benefit analysis for system implementation.

    Main Results:

    • Laboratory tests showed comparable coefficients of variation between automated and manual sample collection, indicating no loss of precision.
    • Field measurements of soil gas fluxes (N2O, CO2) using FluxCASE agreed with manual sampling.
    • Regression slopes for CO2 (1.01) and N2O (0.97) were close to one, with 95% confidence intervals including one, indicating no bias.
    • Expense analysis projected cost recovery within 0.6 to 2.2 years.

    Conclusions:

    • The FluxCASE system offers an efficient alternative for static chamber soil gas flux measurements.
    • The automated system maintains the accuracy and precision of traditional manual sampling methods.
    • FluxCASE implementation can significantly improve operational efficiency and reduce labor costs in soil gas flux studies.