The following tasks will be performed to meet the project objectives.
Task 1: Develop list of stream sites for potential evaluation
Potential stream study sites will be based on those that have both a USGS continuous streamflow gage and also are sampled through the NCDENR DWQ ambient water-quality program or USGS project activities. The focus will be on active USGS and NC DWQ stream sites that have sufficient data during the past 5 to 10 years for use in determining streamflow characteristics, percent base flows, and nutrient loadings. A list of potential sites to be included in the study is presented in table 1.
Task 2: Compile and process streamflow data
For each study site selected in Task 1, stream-flow data for the 5-10 year study period will be compiled from the USGS National Water Information System (NWIS) database and processed to determine annual streamflow characteristics for use in statistical correlations with nutrient loadings. Hydrograph separations will be performed on the data to determine the amount of base flow, or percent contribution of the annual stream flow derived from groundwater discharge.
Task 3: Compile and process water-quality data
DWQ will provide nutrient data for each of the ambient monitoring stations paired with a USGS stream-gage site. Monthly water-quality data for the past 5 to 10 years will be combined with the streamflow data (task 2) to compute total nitrogen, total nitrate, and total phosphorus loads at each stream study site. At selected sites, part of the analysis will be to determine if the total in-stream nutrient loads can be separated into that derived from both baseflow (groundwater discharge) and from overland runoff.
Task 4: Compile watershed characteristics
Geographic Information System (GIS) information will be used to determine the types and extent of land use, based on 2001 data, within the drainage area of each stream study site. The density of riparian buffers bounding the streams in each study area also will be determined using GIS methods. The numbers and types of point sources (such as waste-water treatment plant discharges) and nonpoint sources (such as livestock feeding operations) will be compiled for each watershed and incorporated in the GIS datasets. These watershed variables will be used in statistical correlations with the stream nutrient loads to better understand those factors that most significantly influence nutrient export in NSW of eastern North Carolina.
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The Aztecs were a Pre-Columbian Mesoamerican people of central Mexico in the 14th, 15th and 16th centuries. They called themselves Mexica. The Republic of Mexico and its capital, Mexico City, derive their names from the word "Mexica".
The capital of the Aztec empire was Tenochtitlan, built on raised island in Lake Texcoco. Mexico City is built on the ruins of Tenochtitlan. The Spanish colonization of the Americas reached the mainland during the reign of Huey Tlatoani , Moctezuma II (Montezuma II). In 1521 Hernan Cortes and an allied army of American Indians that far outnumbered the defending Aztecs, conquered the Aztecs through germ warfare, siege warfare, psychological warfare, and direct combat.
According to their own history, when the Mexicas arrived in the Anahuac valley (Valley of Mexico) around Lake Texcoco, the groups living there considered them uncivilized. The Mexicas borrowed much of their culture from the ancient Toltec whom they seem to have at least partially confused with the more ancient civilization of Teotihuacan. To the Mexicas, the Toltecs were the originators of all culture; "Toltecayotl" was a synonym for culture. Mexica legends identify the Toltecs and the cult of Quetzalcoatl with the mythical city of Tollan, which they also identified with the more ancient Teotihuacan.
The center of the Aztec civilization was the Valley of Mexico, a huge, oval basin about 7,500 feet above sea level. The Aztec empire included many cities and towns, especially in the Valley of Mexico. The largest city in the empire was the capital, Tenochtitlan.
<span>The California Gold Rush of 1849 led asian
immigrants to go to California to find gold mainly from China. During this
time, the gold seekers came to California and infrastructure was built in
California during the Gold Rush. A lot of people became miners.</span>
The area that was supposedly owned by Mexico which was settled by many Americans in the western part of America today is California. This happened after the Mexican — American war where Mexicans give up any claim to California even if it’s against their will.
