| 250 |  |
A scientist prepares to do sampling for gravel cleanliness and dissolved oxygen levels. |
Alaska, Juneau 1999 |
251 |  |
A close-up of the sediment sampling process. |
Alaska, Juneau 1999 |
252 |  |
An excellent close-up of the suction dredge process where water and sediments are passing through the screen. |
Alaska, Juneau 1999 |
253 |  |
A view of the entire pumping and dredging operation used at Duck Creek. |
Alaska, Juneau 1999 |
254 |  |
Another image of the suction and dredging machinery used at Duck Creek. |
Alaska, Juneau 1999 |
255 |  |
Sediments are being pumped onto the screen and filtered into totes below. |
Alaska, Juneau 1999 |
256 |  |
A close-up of the pumping and filtering process. |
Alaska, Juneau 1999 |
257 |  |
An overview of the pumping and filtering process. |
Alaska, Juneau 1999 |
258 |  |
Larger cobbles of gravel are trapped in the screening process as they are pumped onto the screen from the riverbed. |
Alaska, Juneau 1999 |
259 |  |
Water and sediment jets through the screen as it is pumped from the riverbed. |
Alaska, Juneau 1999 |
260 |  |
Two men work the pumps at the Duck Creek restoration site. |
Alaska, Juneau 1999 |
261 |  |
An overview of the pumping and dredging operation, the modified gold digger is on wheels in the background. |
Alaska, Juneau 1999 |
262 |  |
A man works at the dredging process. |
Alaska, Juneau 1999 |
263 |  |
A pond on Duck Creek |
Alaska, Juneau 1999 |
264 |  |
Americorp volunteers manually sort sand and gravel using shovels. |
Alaska, Juneau 1999 |
265 |  |
Water quality monitoring |
Alaska, Juneau 1999 |
266 |  |
Rock dike along Intracoastal Waterway (GIWW). |
Louisiana, Hackberry, Calcasieu and Cameron Parish August 16, 2001 |
267 |  |
Rock dike along Intracoastal Waterway (GIWW). |
Louisiana, Hackberry, Calcasieu and Cameron Parish August 16, 2001 |
268 |  |
Louisiana DNR project manager inspecting rock dike. |
Louisiana, Hackberry, Calcasieu and Cameron Parish August 16, 2001 |
269 |  |
Close up view of rock dike. |
Louisiana, Hackberry, Calcasieu and Cameron Parish August 16, 2001 |
270 |  |
Contractor's barge loaded with rock, crane in background. |
Louisiana, Hackberry, Calcasieu and Cameron Parish August 16, 2001 |
271 |  |
Another view of contractor's barge and crane. |
Louisiana, Hackberry, Calcasieu and Cameron Parish August 16, 2001 |
272 |  |
Pile driver pounding sheet metal into location of the self-regulating tide gate SRT. |
Louisiana, Hackberry, Calcasieu and Cameron Parish August 16, 2001 |
273 |  |
Another view of the pile driver. |
Louisiana, Hackberry, Calcasieu and Cameron Parish August 16, 2001 |
274 |  |
A view of the canal on the interior side of the SRT. |
Louisiana, Hackberry, Calcasieu and Cameron Parish August 16, 2001 |
275 |  |
A view of where the self- regulating tide gate will be installed. |
Louisiana, Hackberry, Calcasieu and Cameron Parish August 16, 2001 |
276 |  |
A view of where the self- regulating tide gate will be installed. |
Louisiana, Hackberry, Calcasieu and Cameron Parish August 16, 2001 |
277 |  |
Barge and crane preparing to unload rock. |
Louisiana, Hackberry, Calcasieu and Cameron Parish August 16, 2001 |
278 |  |
NMFS and DNR project managers inspecting installation of sheet metal which will house the SRT. |
Louisiana, Hackberry, Calcasieu and Cameron Parish August 16, 2001 |
279 |  |
NMFS and DNR project managers inspecting installation of sheet metal which will house the SRT. |
Louisiana, Hackberry, Calcasieu and Cameron Parish August 16, 2001 |
280 |  |
Workers installing sheet metal |
Louisiana, Hackberry, Calcasieu and Cameron Parish August 16, 2001 |
281 |  |
Sediments at the Big Island restoration site are pumped into the rectangular area after being dredged from the main channel of the project. The deposition of these sediments will help create new wetland habitat. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |
282 |  |
Taken at a higher elevation than the previous image, this image shows the pumping of sediments into the restoration area. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |
283 |  |
The spilt of a tributary channel shows the beginning of a delta lobe. The restoration work is intended to create a delta pattern. This image illustrates the success of the project as demonstrated by the formation of the delta lobe. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |
284 |  |
A bucket dredge, the Captain Bufford Berry, working to create the containment dike. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |
285 |  |
A bucket dredge at work. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |
286 |  |
An aerial view of the restoration site. The containment dike, in the left corner, will soon hold the created wetlands that will abut the natural marsh. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |
287 |  |
A containment dike, looking east toward the main channel of the Atchafalaya River. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |
288 |  |
The small dredge in the center of the image, the Katrina, is an hydraulic dredge that pumps sediments into the containment area. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |
289 |  |
A close up image of the containment areas. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |
290 |  |
The containment areas at the Big Island restoration site. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |
291 |  |
A ground view of the containment dike at the restoration site. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |
292 |  |
The containment dike at the restoration site. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |
293 |  |
A close-up view of the containment dike and the newly emerging created wetlands. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |
294 |  |
A view of the emerging wetlands at the Big Island restoration site. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |
295 |  |
Roseate spoonbills wade in the emerging wetlands created by the restoration project at Big Island. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |
296 |  |
Roseate spoonbills in flight. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |
297 |  |
This image shows the vegetated edge of the containment dike in the center of the main project dike off the newly dredged project channel. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |
298 |  |
Another view of the vegetated edge of the containment dike. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |
299 |  |
The containment dike as seen from a distance, the murky water indicates the rich sediment sources of the Atchafalaya River. |
Louisiana, Atchafalaya Bay, St. Mary Parish Spring 1998 |