The rising water level is mostly due to a combination of melt water from glaciers and ice sheets and thermal expansion of seawater as it warms. In 2021, global mean sea level was 97 millimeters (3.8 inches) above 1993 levels, making it the highest annual average in the satellite record (1993-present). Global mean sea level has risen about 8–9 inches (21–24 centimeters) since 1880. NOAA image based on analysis and data from Philip Thompson, University of Hawaii Sea Level Center. The values are shown as change in sea level in millimeters compared to the 1993-2008 average. Seasonal (3-month) sea level estimates from Church and White (2011) (light blue line) and University of Hawaii Fast Delivery sea level data (dark blue). On a pathway with high greenhouse gas emissions and rapid ice sheet collapse, models project that average sea level rise for the contiguous United States could be 2.2 meters (7.2 feet) by 2100 and 3.9 meters (13 feet) by 2150.sea level in 2100 is projected to be around 0.6 meters (2 feet) higher on average than it was in 2000. If we are able to significantly reduce greenhouse gas emissions, U.S.High-tide flooding is now 300% to more than 900% more frequent than it was 50 years ago.coastline, the rate of local sea level rise is greater than the global average due to land processes like erosion, oil and groundwater pumping, and subsidence. The rate of global sea level rise is accelerating: it has more than doubled from 0.06 inches (1.4 millimeters) per year throughout most of the twentieth century to 0.14 inches (3.6 millimeters) per year from 2006–2015.In 2021, global sea level set a new record high-97 mm (3.8 inches) above 1993 levels.Global average sea level has risen 8–9 inches (21–24 centimeters) since 1880.Known as /NOAA-20 / in November 2017, a third operational satellite in the (GPS) series is scheduled to be launched in 2027, and a fourth in 2032. It was launched into orbit from the (Vandenberg) space base on November 10, 2022, while the previous version was launched. It is worth noting that the NOAA-21 satellite is the second operational satellite in the (GPS) series, and its mission is expected to be about seven years. Ice, clouds, fog, aerosols, dust and global crop health. VIIRS on land can also detect and measure wildfires, droughts and floods, and its data can be used to track the thickness and movement of wildfire smoke, collecting images in both visible and infrared light spectrums, allowing scientists to see details of the Earth’s surface, and also providing analysis of snow cover. A leading indicator of ocean environment and marine health. It measures sea surface temperature, which is an important metric for monitoring hurricane formation, while observing ocean color helps monitor phytoplankton activity – an important component of hurricane formation. ![]() The satellite contains an instrument known as the Visible Infrared Imaging Radiometer Array (VIIRS), which has begun collecting data. The image is just the beginning of a modern science mission that will monitor the ocean environment and marine health, as well as the ability to track wildfires, droughts and floods. The satellite will provide a new global perspective of Earth from space and vital information about our planet’s oceans, atmosphere and land. The US Space Agency (NASA) announced that its satellite, 1NOAA-2, has captured recent pictures of the Earth, as part of its mission.
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