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.

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

Cultural Geography
Map and Chart of Cardinals and the 2025 Papal Conclave

Glaciology
World’s Biggest Iceberg

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.

High Resolution Ecosystem Map of the Contiguous United States and Adjacent Areas
NatureServe has developed an updated 30-meter hexagon map of regional ecosystems in the contiguous United States and adjacent areas.

Lake Chapala: a Tectonic Lake at Mexicoโs Triple-graben Intersection
Lake Chapala was formed at the intersection of three grabens.

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.




