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

Marine Microbial Ecology01:30

Marine Microbial Ecology

Marine microbial ecosystems are shaped by distinct physicochemical limits, including high salinity, low nutrient availability, and fluctuating oxygen levels. These conditions favor smaller microbial cell sizes, which maximize their surface-to-volume ratio for efficient nutrient uptake.Microbial activity and community composition are closely linked to biogeochemical cycles, particularly in dynamic environments like estuaries, where halotolerant microbes thrive in response to variable salinity...
Precipitation Processes01:12

Precipitation Processes

The experimental conditions in a gravimetric analysis should be optimized to maximize the particle size and purity of the obtained precipitate. Ideally, the concentration of the precipitating reagent should be low with effective stirring to maintain low relative supersaturation for the growth of large crystals. In homogeneous precipitation, the precipitant is slowly generated by a chemical reaction in the solution to avoid local reagent excesses. For example, urea decomposes gradually to...
Microbial Mats01:25

Microbial Mats

Microbial communities forming biofilms and mats represent complex, spatially structured ecosystems where metabolic processes are stratified according to light, oxygen, and nutrient gradients. Biofilms are initial colonization stages, only a few millimeters thick, while mature microbial mats can reach centimeter-scale thickness and display intricate vertical organization. Their structural and functional heterogeneity allows microorganisms to occupy distinct ecological niches within a few...
Buoyancy and Stability for Submerged and Floating Bodies01:11

Buoyancy and Stability for Submerged and Floating Bodies

In fluid mechanics, buoyancy and stability are key concepts for understanding the behavior of submerged and floating bodies. When a stationary body is fully or partially submerged in a fluid, the fluid exerts a force on the body known as the buoyant force. This force acts vertically upward through a point called the center of buoyancy, which is the center of the displaced fluid volume. According to Archimedes' principle, the magnitude of the buoyant force is equal to the weight of the fluid...
Cell Motility through Blebbing01:16

Cell Motility through Blebbing

Blebs are a type of membrane protrusion formed by the internal hydrostatic pressure of the cytoplasm. Blebs are observed in several cell types, including fibroblasts, immune cells, and single-celled organisms like the amoeba. The primary function of blebs is cell locomotion and apoptosis, but they are also found during necrosis and cell division. The life cycle of a bleb comprises an initiation phase followed by the expansion and retraction phases.
Blebbing Through the Matrix
In multicellular...
Cellular Adaptation III: Hyperplasia01:26

Cellular Adaptation III: Hyperplasia

Hyperplasia is an increase in the number of cells in a tissue or organ due to enhanced cell division. It is an adaptive, controlled response to stimuli such as injury, hormones, or stress, involving mitosis to produce genetically identical cells and support tissue repair and regeneration.Tissue CapacityCertain tissues, including the epidermis, intestinal epithelium, bone marrow, and fibroblasts, have a high potential for hyperplasia. Others, such as bone, cartilage, and smooth muscle, show...

You might also read

Related Articles

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

Sort by
Same author

Earth's east-west albedo symmetry.

Nature·2026
Same author

Amazon forest loss: An all-sky biophysical top-of-atmosphere cooling feedback.

Science (New York, N.Y.)·2026
Same author

Diurnal Emissions of Sea Spray Aerosols in Algal Blooms.

Environmental science & technology·2025
Same author

3D volumetric tomography of clouds using machine learning for climate analysis.

Scientific reports·2025
Same author

Not as random: the stable dynamics controlling shallow convective clouds.

NPJ climate and atmospheric science·2025
Same author

Gibbs states and Brownian models for coexisting haze and cloud droplets.

Science advances·2024

Related Experiment Video

Updated: May 8, 2026

Chemotactic Response of Marine Micro-Organisms to Micro-Scale Nutrient Layers
22:38

Chemotactic Response of Marine Micro-Organisms to Micro-Scale Nutrient Layers

Published on: May 28, 2007

Adaptive behavior of marine cellular clouds.

Ilan Koren1, Graham Feingold

  • 1Department of Environmental Sciences Weizmann Institute, Rehovot 76100, Israel. ilan.koren@weizmann.ac.il

Scientific Reports
|August 28, 2013
PubMed
Summary
This summary is machine-generated.

Shallow marine clouds exist as open or closed cells. Open cells oscillate rapidly, while closed cells show long-term stability, indicating self-organization influences cloud behavior and climate cooling.

More Related Videos

Observation of Photobehavior in Chlamydomonas reinhardtii
03:54

Observation of Photobehavior in Chlamydomonas reinhardtii

Published on: May 6, 2022

Coral Reef Arks: An In Situ Mesocosm and Toolkit for Assembling Reef Communities
07:59

Coral Reef Arks: An In Situ Mesocosm and Toolkit for Assembling Reef Communities

Published on: January 6, 2023

Related Experiment Videos

Last Updated: May 8, 2026

Chemotactic Response of Marine Micro-Organisms to Micro-Scale Nutrient Layers
22:38

Chemotactic Response of Marine Micro-Organisms to Micro-Scale Nutrient Layers

Published on: May 28, 2007

Observation of Photobehavior in Chlamydomonas reinhardtii
03:54

Observation of Photobehavior in Chlamydomonas reinhardtii

Published on: May 6, 2022

Coral Reef Arks: An In Situ Mesocosm and Toolkit for Assembling Reef Communities
07:59

Coral Reef Arks: An In Situ Mesocosm and Toolkit for Assembling Reef Communities

Published on: January 6, 2023

Area of Science:

  • Cloud physics
  • Atmospheric science
  • Climate dynamics

Background:

  • Shallow marine clouds are crucial for Earth's climate system.
  • These clouds exist in two distinct formations: open cells and closed cells.
  • Closed cells are more reflective and contribute more significantly to climate cooling.

Purpose of the Study:

  • To investigate the distinct dynamical behaviors of open and closed shallow marine cloud cells.
  • To understand the relationship between cloud structure, lifetime, and self-organization.
  • To link observed cloud dynamics to theoretical population dynamics models.

Main Methods:

  • Analysis of Lagrangian satellite data.
  • Observation of cloud cell oscillation and structural stability.
  • Comparison of cloud dynamics with theoretical population dynamics solutions.

Main Results:

  • Open cells exhibit oscillatory behavior with a ~3-hour periodicity.
  • Closed cells demonstrate remarkable structural stability, persisting for over 10 hours.
  • A decoupling between the lifetime and scale of convective entities was observed in closed cells, attributed to self-organization.

Conclusions:

  • Shallow marine cloud dynamics are characterized by two distinct states: oscillating open cells and stable closed cells.
  • Self-organization plays a critical role in the long-term stability of closed cloud cells.
  • The observed dynamical states align with theoretical predictions from population dynamics.