How Remote Sensing Helps NOAA Monitor El Niño
Learn how satellites measure ocean temperatures, sea surface height, and other indicators used to monitor El Niño.
Spatial Analysis
How to Create a Radial Flow Map Using QGIS
Hydrology
Rivers that Flow Backwards
Geography Basics
Northernmost Point in the United States
Spatial Analysis
How to Create a Radial Flow Map Using QGIS
Midpen Open Space and the Harm of Repeat Disturbance
At Bear Creek Redwoods Open Space Preserve, repeated nesting season projects by Midpeninsula Regional Open Space District are altering habitat used by migratory birds.
Florida’s Primary Reef-Building Corals are ‘Functionally Extinct’
A 2023 heatwave killed nearly all of Florida’s main reef-building corals, leaving the reef functionally extinct.
Mapping Short-term Sea Level Changes Over 540 Million Years
Researchers mapped 540 million years of sea level change, showing major short-term shifts during ice ages driven by Earth’s orbital cycles.
Water Can Take Years to Seep out of Mountains
Groundwater stored over many years is a significant contributor to streamflow in Western United States mountains according to a published study.
Study Models How the Behavior of Waves Affects Blue Carbon Storage
Bubbles created by the movement of waves can influence how much carbon dioxide is absorbed by the ocean.
What are the Earth System’s Four Spheres?
The systems of the earth can be divided into two main areas: geosphere and biosphere.
The Recreational Value of Nature and Wildlife
Measuring the economic benefits of wildlife and outdoor areas supports conservation with tools like the NPS Visitor Spending Effects.