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Perched next to a river near a glacier’s edge in Greenland, Penn biogeochemist Jon Hawkings and Jack Murphy, senior research coordinator in Hawkings’ lab, scooped up samples of frigid meltwater, caref...
邓祥征研究小组与其合作者近期在Nature 旗下期刊《Scientific Data》上发表全球大气二氧化碳浓度时空异质特征方面的研究成果
《Scientific Data》 全球大气 二氧化碳浓度 时空异质特征
2023/1/11
由于化石燃料燃烧，大气中二氧化碳(CO2)浓度的增加是全球变暖的主要驱动因素。卫星观测提供连续的全球 CO2反演产品，揭示大气CO2浓度的空间分布特征。然而，气候变化模拟研究大多是基于全球平均或纬向平均的大气CO2浓度假设。
Global satellite data shows clouds will amplify global heating
cloud global heating satellite measurements
2021/8/3
A new approach to analyse satellite measurements of Earth's cloud cover reveals that clouds are very likely to enhance global heating.
Data assimilation method offers improved hurricane forecasting（图）
Data assimilation method hurricane forecasting
2019/10/21
In 2017, operational models predicted that Hurricane Harvey would become a Category 1 hurricane. Instead, it became a massive Category 4 storm just before it made landfall, and tied Hurricane Katrina ...
DEVELOPMENT OF SCHEME FOR THE ATMOSPHERIC CORRECTION OF LANDSAT-8 OLI DATA
Atmospheric Correction Landsat-8 Surface reflectance Aerosol Water vapor Ozone
2019/2/28
In the present study, a physics based method called Scheme for Atmospheric Correction of Landsat-8 (SACLS8) is developed for the Operational Land Imager (OLI) sensor of Landsat-8. The Second Simulatio...
GLACIER ICE MASS CHANGES IN CENTRAL HIMALAYAS DURING 2000-2014 USING TanDEM- X DATA
Glacier elevation change TanDEM-X SRTM geodetic mass balance Central Indian Himalaya
2019/2/27
The Himalayas have been widely accepted as one of the most sensitive indicators of climate change. However, the rugged terrains of the Indian Himalayas render it impossible to carry out ground based s...
MITIGATION ATMOSPHERIC EFFECTS IN INTERFEROGRAM WITH USING INTEGRATED MERIS/MODIS DATA AND A CASE STUDY OVER SOUTHERN CALIFORNIA
MERIS MODIS Integration Interferogram correction
2018/5/15
Interferometric synthetic aperture radar(InSAR), as a space geodetictechnology, had been testified a high potential means of earth observation providing a method fordigital elevation model (DEM) and s...
A NEW ALGORITHM FOR THE AOD INVERSION FROM NOAA/AVHRR DATA
AVHRR AOD MODIS VI product NDVI DDV algorithm
2018/5/15
The advanced very high resolution radiometer (AVHRR) data from the National Oceanic and Atmospheric Administration satellite is one of the earliest data applied in aerosol research. The dense dark veg...
APPLICABILITY OF VARIOUS INTERPOLATION APPROACHES FOR HIGH RESOLUTION SPATIAL MAPPING OF CLIMATE DATA IN KOREA
Climate Change Interpolation IDW Cokriging Kriging Precipitation Temperature
2018/5/14
The purpose of this study is to create a new dataset of spatially interpolated monthly climate data for South Korea at high spatial resolution (approximately 30m) by performing various spatio-statisti...
ESTIMATING PM2.5 IN XI’AN , CHINA USING AEROSOL OPTICAL DEPTH OF NPP VIIRS DATA AND METEOROLOGICAL MEASUREMENTS
Aerosol optical depth PM2.5 VIIRS Remote sensing inversion Nonlinear model
2018/5/16
In recent years, the air pollution is becoming more and more serious, which not only causes the decrease of the visibility, but also affects the human health. As the most important pollutant particula...
Big data and data mining have provided several breakthroughs in fields such as health informatics, smart cities and marketing. The same techniques, however, have not delivered consistent key findings ...
Researchers take tips from “Twister” to chase elusive storm data（图）
Researchers Twister chase elusive storm data
2017/10/24
Some great ideas are born out of years of painstaking research. Others are gleaned from the plotline of the movie "Twister."The latter is how Paul Markowski, professor of meteorology, and Yvette Richa...
Scientists have more data to back their findings:The Earth is getting warmer
Scientists more data The Earth getting warmer
2017/7/24
A group of international scientists led by a climate expert from USC has upgraded an open-source global database tracking the Earth’s temperatures since 1 A.D. that further confirms the Earth is warmi...
New IST research leverages big data to predict severe weather
New IST research leverages big data predict severe weather
2017/7/24
Every year, severe weather endangers millions of people and causes billions of dollars in damage worldwide. But new research from Penn State’s College of Information Sciences and Technology (IST) and ...
The year 2016 is on pace to be the hottest on record, with each of the first six months setting new temperature records, according to NASA. Climate change, combined with the effects of El Niño, i...