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Related Concept Videos

Migration00:53

Migration

Migration is long-range, seasonal movement from one region or habitat to another. This common strategy, carried out by many different organisms around the world, is an adaptive response that typically corresponds to changes in an organism’s environment, like resource availability or climate. Migrations can involve huge groups of thousands of animals as well as single individuals traveling alone and can range from thousands of kilometers to just a few hundred meters.
Application of Linearization and Approximation01:29

Application of Linearization and Approximation

A drone flying through complex terrain often relies on more than one sensing method to estimate small changes in altitude. Along with direct measurements, air pressure provides a useful indirect indicator of vertical movement. Atmospheric pressure decreases as altitude increases, and this relationship is commonly described using an exponential model. Although accurate, converting pressure measurements into altitude values requires calculations that are too complex to perform repeatedly during...
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...

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Related Experiment Video

Updated: May 15, 2026

Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

Predicting spatial patterns of eagle migration using a mesoscale atmospheric model: a case study associated with a

B Ainslie1, N Alexander, N Johnston

  • 1Environment Canada, 401 Burrard Street, Vancouver, BC, Canada, V6C 3S5, Bruce.Ainslie@ec.gc.ca.

International Journal of Biometeorology
|January 18, 2013
PubMed
Summary

Golden eagles utilize updrafts for migration across mountain ridges in British Columbia. High-resolution atmospheric modeling reveals birds converge on updrafts, but must navigate downdrafts, influencing migration pathways.

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Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data
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Last Updated: May 15, 2026

Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

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Published on: July 24, 2016

Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data
09:55

Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data

Published on: December 12, 2013

Area of Science:

  • Atmospheric science
  • Ornithology
  • Meso-scale meteorology

Background:

  • Golden eagle migration is influenced by topography and weather.
  • Understanding these influences is crucial for conservation and infrastructure development.

Purpose of the Study:

  • To examine how meteorology and topography affect Golden Eagle migration pathways.
  • To compare observed flight paths with modeled atmospheric conditions.

Main Methods:

  • High-resolution numerical atmospheric modeling (Regional Atmospheric Modeling System).
  • Ground-based observation and 3D track conversion of eagle flight paths.
  • Comparison of flight tracks with modeled vertical wind velocity fields.

Main Results:

  • Eagle migration tracks varied daily, with more southwest tracks observed in 2007.
  • Eagles consistently converged on updraft regions but navigated downdrafts.
  • Modeled flight tracks aligned with observed patterns, suggesting fluid-flow dynamics.

Conclusions:

  • High-resolution meteorological data can predict raptor convergence points.
  • This information can aid in mitigating impacts on raptor migration from wind energy development.
  • Atmospheric modeling provides valuable insights into avian migration behavior.