Atmospheric methane concentrations are of interest due to methane's impact on climate change, as it is one of the most potent greenhouse gases in Earth's atmosphere.tmospheric methane concentrations are of interest due to methane's impact on climate change, as it is one of the most potent greenhouse gases in Earth's atmosphere.
Muscatine County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 42,745. The county seat is Muscatine. The southeastern border is formed by the Mississippi River. Muscatine County comprises the Muscatine, IA Micropolitan Statistical Area, which is included in the Davenport-Moline, IA-IL Combined Statistical Area.
Rockford is a city in Floyd County, Iowa, United States, at the confluence of the Shell Rock and Winnebago Rivers. The population was 907 at the 2000 census. in decimal form are 43.052833, -92.949203. According to the United States Census Bureau, the city has a total area of 0.6 square miles (1.6 kmÂ²), all of it land.