Topic: Mississippi River

Clarksville Civil War Roundtable’s next meeting is July 19th, 2017

July 16, 2017 |

Clarksville, TN – The next meeting of the Clarksville (TN) Civil War Roundtable will be on Wednesday, July 19th, 2017 at the Bone & Joint Center, 980 Professional Park Drive, right across the street from Tennova Healthcare. This is just off Dunlop Lane and Holiday Drive and only a few minutes east of Governor’s Square mall.

The meeting begins at 7:00 pm and is always open to the public. Members please bring a friend or two – new recruits are always welcomed.

Topic – “The Red River Campaign – Politics, Cotton and Failure”

The Red River Campaign

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NASA’s DopplerScatt Radar to Benefit Weather and Climate Studies, Maritime Uses

June 4, 2017 |

Written by Andrew Good
NASA’s Jet Propulsion Laboratory

Pasadena, CA – Ocean currents and winds form an endless feedback loop: winds blow over the ocean’s surface, creating currents there. At the same time, the hot or cold water in these currents influences the wind’s speed.

This delicate dance is crucial to understanding Earth’s changing climate. Gathering data on this interaction can also help people track oil spills, plan shipping routes and understand ocean productivity in relation to fisheries.

Instruments already exist that measure ocean currents, and others that measure wind, such as NASA’s QuickScat and RapidScat. But a new, airborne radar instrument developed by NASA’s Jet Propulsion Laboratory in Pasadena, California, is able to measure both.

2010 photo of a shoreline in Bay Jimmy, Plaquemines Parish, Louisiana, impacted by the BP Deepwater Horizon oil spill. Oil weakens and kills vegetation, leading to the loss of roots that help hold soil together. (Bruce A. Davis, Department of Homeland Security)

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NASA uses Aircraft mounted instruments to examine growing Deltas in Louisiana

February 9, 2017 |

Written by Alan Buis
NASA’s Jet Propulsion Laboratory

Pasadena, CA – The Louisiana coastline is sinking under the Gulf of Mexico at the rate of about one football field of land every hour (about 18 square miles of land lost in a year). But within this sinking region, two river deltas are growing. The Atchafalaya River and its diversion channel, Wax Lake Outlet, are gaining about one football field of new land every 11 and 8 hours, respectively (1.5 and 2 square miles per year).

Last fall, a team from NASA’s Jet Propulsion Laboratory in Pasadena, California, showed that radar, lidar and spectral instruments mounted on aircraft can be used to study the growing deltas, collecting data that can help scientists better understand how coastal wetlands will respond to global sea level rise.

False-color images of rising tide at Wax Lake Delta, Louisiana, made by JPL’s Uninhabited Aerial Vehicle Synthetic Aperture Radar instrument on Oct. 17, 2016. Red, blue and green correspond to different land-surface properties. Rising water appears as increasing darkness. (NCAR/JPL-Caltech)

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The History of Renfroe Station on the Red River, 1780 – Part 2

By Tracy Jepson | January 23, 2017 |

Clarksville, TN – In 1780 a group of 300 daring pioneers decided to journey upon the Tennessee River and the Cumberland River in flatboats and canoes.

The destination for some of them would be present day Montgomery County, upon the Red River at the mouth of Passenger Creek. Yet, in order to arrive at their destination they had to guide their boats through a frontier full of Native Americans determined to attack them.

Why would they attempt such an endeavor which seemed to almost promise violence, deprivation, and other hardships?

Tennessee River Systems, 18th Century

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NASA Survey discovers extensive coastal erosion from Gulf Oil Spill

November 20, 2016 |

Written by Alan Buis
NASA’s Jet Propulsion Laboratory

Pasadena, CA – Dramatic, widespread shoreline loss is revealed in new NASA/U.S. Geological Survey annual maps of the Louisiana marshlands where the coastline was most heavily coated with oil during the 2010 BP Deepwater Horizon oil spill in the Gulf of Mexico.

Following the spill, the length of shoreline that receded more than 13 feet (4 meters) a year quadrupled compared to the year before the spill. The land losses occurred mainly in areas where oil had washed ashore during the spill.

2010 photo of a shoreline in Bay Jimmy, Plaquemines Parish, Louisiana, impacted by the BP Deepwater Horizon oil spill. Oil weakens and kills vegetation, leading to the loss of roots that help hold soil together. (Bruce A. Davis, Department of Homeland Security)

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Riding the Natchez Trace Parkway

By Hank Bonecutter | November 9, 2016 |

Tupelo, MS – The Natchez Trace, also known as “Old Natchez Trace,” is a 440 historic forest trail that links the Cumberland River, Tennessee River and Mississippi River.  The trail was used by Native Americans and later, by European and American Explorers.

Today, the Natchez Trace Parkway and bridge, commemorates the path used by early explorers.

It’s a recreational favorite among bikers, bicyclists, hikers, campers, boaters and just about anyone who enjoys the great outdoors, surrounded by incredible history.

Natchez Trace Parkway

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American Queen Steamboat docks in Clarksville

October 25, 2016 |

Clarksville, TN – Sunday afternoon, October 23rd, the American Queen of the American Queen Steamboat Company docked at Clarksville’s McGregor Park along the banks of the Cumberland River.

The American Queen’s stop in Clarksville is part of their 9 day “American Music” themed cruise that started in Nashville on October 23rd and ends in Memphis on October 31st.

The American Queen riverboat docked at Clarksville’s McGregor Park.

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Summer Must Read: Crossing the Deadline by Dr. Michael Shoulders

By Sue Freeman Culverhouse | May 31, 2016 |

Clarksville, TN – Clarksville resident, Dr. Michael Shoulders, has written Crossing the Deadline: Stephen’s Journey through the Civil War (Sleeping Bear Press) just in time for a must have summer read. With palatable feeling for the young 13-year-old Stephen Gaston, a Centerville, Indiana native who joins the Union Army to become a bugler for Colonel Eli Lilly.

Stephen’s older brother has already been killed in the Civil War and Stephen feels compelled to do his part. Little does he know that a long term in prison and a stint as a passenger on the Sultana await him.

Crossing the Deadline by Dr. Michael Shoulders

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NASA uses Airborne Radar to study sinking rate of New Orleans

May 17, 2016 |

NASA’s Jet Propulsion Laboratory

Pasadena, CA – New Orleans and surrounding areas continue to sink at highly variable rates due to a combination of natural geologic and human-induced processes, finds a new NASA/university study using NASA airborne radar.

The observed rates of sinking, otherwise known as subsidence, were generally consistent with, but somewhat higher than, previous studies conducted using different radar data.

The research was the most spatially-extensive, high-resolution study to date of regional subsidence in and around New Orleans, measuring its effects and examining its causes.

Subsidence in Jefferson Parish, Louisiana, from June 2009 to July 2012, as seen by NASA’s UAVSAR instrument. The measured displacements are a combination of movement of the ground and of individual structures. The inset at lower right shows the parish location within Greater New Orleans. (NASA/JPL-Caltech, Esri)

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Tennessee Hunting Seasons set at May Tennessee Fish and Wildlife Meeting

May 14, 2016 |

Tullahoma, TN – The Tennessee Fish and Wildlife Commission approved the state’s 2016-17 hunting seasons at its May meeting which concluded Friday at the Arnold Air Force Base Gossick Leadership Center.

The state’s hunting seasons are annually established each year during the TWFC’s May meeting. The Tennessee Wildlife Resources Agency made its recommendations during the April meeting. Additional recommendations were made by commission members.

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