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

Precipitation Gravimetry01:03

Precipitation Gravimetry

6.8K
Precipitation gravimetry is based on converting an analyte into a sparingly soluble precipitate, which is separated by filtration and weighed. An ideal precipitate should be pure, insoluble, of known composition, and easily filtered from the reaction mixture.
In determining nickel by gravimetric analysis, a precipitant of ethanolic dimethylglyoxime is added to a hot nickel salt solution. This is quickly followed by the dropwise addition of dilute ammonia solution until precipitation occurs. A...
6.8K
Design Example: Analyzing Capacity Contours for Flood Risk Assessment01:17

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

87
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
87
Responses to Drought and Flooding02:41

Responses to Drought and Flooding

10.8K
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
10.8K
GIS Software, Hardware, and Sources of GIS Data01:23

GIS Software, Hardware, and Sources of GIS Data

115
A Geographic Information System (GIS) combines specialized software and hardware to effectively manage, analyze, and present spatial and related data. GIS software includes critical functionalities such as a user interface for easy navigation, database management tools for handling spatial and attribute data, and data retrieval features for efficient access. Analytical tools transform raw data into insights, while display functions produce maps and reports in various formats for effective...
115
Precipitation Processes01:12

Precipitation Processes

519
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...
519
The Water Cycle01:00

The Water Cycle

24.7K
The Earth’s hydrosphere includes all of the areas where the storage and movement of water occurs. Since water is the basis of all living processes, the cycling of water is extremely important to ecosystem dynamics.
24.7K

You might also read

Related Articles

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

Sort by
Same author

Towards Conversational AI for Disease Management.

Nature·2026
Same author

Messaging Modality and Content for Recruitment of Research Participants: A Randomized Clinical Trial.

JAMA network open·2026
Same author

Accelerating scientific discovery with Co-Scientist.

Nature·2026
Same author

An AI system to help scientists write expert-level empirical software.

Nature·2026
Same author

Advancing conversational diagnostic AI with multimodal reasoning.

Nature medicine·2026
Same author

Earthquake magnitudes depend on seismic history, as revealed by a neural network analysis.

Scientific reports·2026

Related Experiment Video

Updated: Aug 12, 2025

Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

8.1K

Caravan - A global community dataset for large-sample hydrology.

Frederik Kratzert1, Grey Nearing2, Nans Addor3,4

  • 1Google Research, Vienna, Austria. kratzert@google.com.

Scientific Data
|January 30, 2023
PubMed
Summary
This summary is machine-generated.

Caravan, a new global hydrology dataset, standardizes and aggregates existing data. This open-source tool enables researchers to extend global hydrological datasets, democratizing research.

More Related Videos

Capturing Flow-weighted Water and Suspended Particulates from Agricultural Canals During Drainage Events
06:26

Capturing Flow-weighted Water and Suspended Particulates from Agricultural Canals During Drainage Events

Published on: November 7, 2017

16.4K
Integrating Remote Sensing with Species Distribution Models; Mapping Tamarisk Invasions Using the Software for Assisted Habitat Modeling SAHM
12:26

Integrating Remote Sensing with Species Distribution Models; Mapping Tamarisk Invasions Using the Software for Assisted Habitat Modeling SAHM

Published on: October 11, 2016

13.4K

Related Experiment Videos

Last Updated: Aug 12, 2025

Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

8.1K
Capturing Flow-weighted Water and Suspended Particulates from Agricultural Canals During Drainage Events
06:26

Capturing Flow-weighted Water and Suspended Particulates from Agricultural Canals During Drainage Events

Published on: November 7, 2017

16.4K
Integrating Remote Sensing with Species Distribution Models; Mapping Tamarisk Invasions Using the Software for Assisted Habitat Modeling SAHM
12:26

Integrating Remote Sensing with Species Distribution Models; Mapping Tamarisk Invasions Using the Software for Assisted Habitat Modeling SAHM

Published on: October 11, 2016

13.4K

Area of Science:

  • Hydrology
  • Earth Science
  • Environmental Science

Background:

  • High-quality hydrological datasets are crucial for scientific advancement and modeling.
  • Existing large-sample hydrology datasets (e.g., CAMELS) lack standardization, hindering global comparative studies.

Purpose of the Study:

  • To introduce Caravan (Catchment Attributes and Meteorology for Large-sample Studies), a standardized and aggregated global hydrology dataset.
  • To provide an open-source software tool for extending the dataset to new global locations.

Main Methods:

  • Aggregation and standardization of seven existing large-sample hydrology datasets.
  • Development of cloud-based software for extracting meteorological forcing data and catchment attributes.
  • Inclusion of static catchment attributes (geophysical, sociological, climatological) for 6830 catchments.

Main Results:

  • Creation of a globally standardized dataset comprising meteorological forcing, streamflow, and static catchment attributes for 6830 catchments.
  • Development of an open-source software enabling community-driven dataset expansion.
  • Establishment of a foundation for democratizing global hydrology research.

Conclusions:

  • Caravan addresses the need for standardized global hydrology data, facilitating large-sample studies.
  • The open-source nature of Caravan promotes community involvement and dataset expansion.
  • Caravan represents a significant step towards globally accessible and usable hydrological data resources.