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Aug 22, 2024 · Drought Parches Mexico. Dry weather is putting extra strain on the systems that deliver water to Mexico City. One of the driest growing seasons in decades has decimated crops and left millions hungry. In September, low water levels made it more challenging to ship goods down the river and allowed a wedge of saltwater to move upstream.
Mar 20, 2019 · February 2019 PNG. February 21 - 28, 2019 PNG. There is never a good time for drought, but in southern Africa, overly dry conditions hit at a particularly vulnerable time—just after planting for the 2018-2019 maize (corn) season. According to ReliefWeb, about 10.8 million people in southern Africa faced severe food insecurity at the end of 2018.
Apr 30, 2024 · These satellite images show the Kafue’s west-to-east course through a flat, shallow floodplain, known as the Kafue Flats, in April 2024 (right) compared to April 2023 (left). In the 2023 image, green vegetation surrounds an inundated network of channels and lagoons spanning the floodplain, which measures about 240 kilometers (150 miles) long and up to 50 kilometers (30 miles) wide.
Jul 17, 2020 · Poyang Lake Extremes. Poyang Lake—China’s largest freshwater lake—routinely fluctuates in size between the winter and summer seasons. Between 2019 and 2020, however, water levels went from barely there to the highest on record. These images, acquired with the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra ...
Drought Persists in the American Southwest. More than 64 million people are directly affected by drought in the Southwest and Southern Plains, and far more are indirectly affected because of the vast number of farms, orchards, and ranches that supply the rest of the United States. Published Nov 27, 2014. Image of the Day Land Life Water Drought.
Aug 30, 2000 · Introduction. Normalized Difference Vegetation Index (NDVI) NDVI as an Indicator of Drought. Enhanced Vegetation Index (EVI) In an effort to monitor major fluctuations in vegetation and understand how they affect the environment scientist use satellite remote sensors to measure and map the density of green vegetation over the Earth.
Nov 26, 2014 · November 18, 2014. November 18, 2014 PNG. According to the U.S. Drought Monitor, 11 of the past 14 years have been drought years in the American Southwest. The biggest headlines this year—and the worst levels of drought—can be found in California, but most of the region has been suffering from a persistent lack of rain and snow.
Combined with water withdrawals that many believe are not sustainable, the drought has caused a dramatic drop in Lake Powell’s water level. Changes in the northeastern reaches of Lake Powell are documented in this series of natural-color images taken by the Landsat series of satellites between 1999 and 2021. The Colorado River flows in from ...
Oct 3, 2011 · Image of the Day Severe Storms Remote Sensing. Receive notifications of our most recent images! climate change, global climate change, global warming, natural hazards, Earth, environment, remote sensing, atmosphere, land processes, oceans, volcanoes, land cover, Earth science data, NASA, environmental processes, Blue Marble, global maps.
Aug 16, 2016 · Drought in Southern Africa. Hot and dry conditions associated with a strong El Niño left experts wondering if a record agricultural drought was in the works. Published Feb 3, 2016 Image of the Day Land Life Drought
