ML20133J515
| ML20133J515 | |
| Person / Time | |
|---|---|
| Issue date: | 10/11/1985 |
| From: | Beratan L NRC OFFICE OF NUCLEAR REGULATORY RESEARCH (RES) |
| To: | Kaula W COMMERCE, DEPT. OF, NATIONAL OCEANIC & ATMOSPHERIC |
| References | |
| NUDOCS 8510180483 | |
| Download: ML20133J515 (4) | |
Text
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OCT 11 1985 l
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I Dr. William Kaula, Director
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National Geodetic Survey i
601 National Geodetic Survey
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Rockville, MD 20851 j
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Dear Dr. Kaula:
During the.last several months there has been considerable interaction between
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our respective staffs concerning geodetic measurements in the Northeastern i
United States utilizing the Global Positioning Satellite (GPS) system.
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Coordination of these attivities will benefit both agencies and can make contributions to resolving a problem of national significance, the cause of seismicity in the Eastern United States.
i There are two topics that ' lave been discussed, a planned series of measurements t
by NGS and an ongoing NRC funded research program in the ar'a conducted by the l
e Maine Geologic Survey. With respect to the first topic, Dr. William Strange of NGS informed us that NGS will be conducting a number of geodetic measurements j
in the Northeastern United States under an interagency agreement with the r
Federal Aviation Agency. He explained that the network of measurement points j
would include a number of areas where the_re has been recent seismicity. He stated that NGS may conduct extra observations in these areas to monitor deformations resulting from recent seismicity.
I fully endorse such measurements because.they will enable NGS to make contributions toward
[
resolving very important scientific problems concerning seismicity in the
~
Eastern United States. The NRC has conducted considerable research in this area including operation of a seismographic network and geologic and I
geophysical studies. We can make available to you any of our data in the region that may be of use in selecting measurement sites.
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The other area. for interagency cooperation concerns an existing NRC funded i
research program with the Maine Geologic Survey. Under that program we are i
investigating an area along the Maine-New Brunswick border where there is about 9 mm a year subsidence. There is seismicity associated with that subsidence.
I Dr. David Tyler of the University of Maine, working through the Maine Geologic i
Survey has proposed that the. area should be releveled utilizing GPS procedures.
We understand that he has approached the NGS for access to GPS receivers to i
conduct the measurements. Dr. Strange indicated to Dr. Tyler that NGS receivers could be made available to him but that the field costs would have to i
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r Dr. William Kaula 2
OCT 111985 be reimbursed. NGS staff, NRC staff and Dr. Tyler propose that the best way to initiate this work is through an Inter-agency Agreement between NGS and NRC.
Dr. Strange of NGS would prepare a proposal to the NRC for this cooperative effort.
Sincerely, osiaim..n o sy-LL Sarates Leon L. Beratan, Chief Earth Sciences Branch Division of Radiation Programs &
Earth Sciences, RES Distribution /R-2811:
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O Dr. William Kaula 2
OCT 111985 be reimbursed. NGS staff, NRC staff and Dr. Tyler propose that the best way to initiate this work is through an Inter-agency Agreement between NGS and NRC.
Dr. Strange of NGS would prepare a proposal to the NRC for this cooperative effort.
Sincerely, Osigings e p r tg LL Barates Leon L. Beratan, Chief Earth Sciences Branch Division of Radiation Programs &
Earth Sciences, RES Distribution /R-2811:
Circ /Chron KGoller ESB Sbj/Rd EConti RMinogue LBeratan Dross._
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OCT 11 1995
^
t Dr. William Kaula, Director National Geodetic Survey 601 hational Geodetic Survey Rockville, MD 20851
Dear Dr. Kaula:
During the last several months there has been considerable interaction between our respective staffs concerning geodetic measurements in the Northeastern United States utilizing the Global Positioning Satellite (GPS) system.
Coordination of these activities will benefit both agencies and can make contributions to resolving a problem of national significance, the cause of seismicity in the Eastern United States.
There are two topics that have been discussed, a planned series of measurements t
by NGS and an ongoing NRC funded research program in the area conducted by the Maine Geologic Survey. With respect to the first topic, Dr. William Strange of NGS informed us that NGS will be conducting a number of geodetic measurements in the Northeastern United States under an interagency agreement with the Federal Aviation Agency. He explained that the network of measurement points would include a number of areas where there has been recent seismicity. He stated that NGS may conduct extra o_bservations in these areas to monitor deformations resulting from recent seismicity.
I fully endorse such measurements because they will enable NGS to make contributions toward resolving very'important scientific problems concerning seismicity in the Eastern United States. The NRC has conducted considerable research in this area including operation of a seismographic network and geologic and geophysical studies. We can make available to you any of our data in the region that may be of use in selecting measurement sites.
The other area for interagency cooperation concerns an existing NRC funded research program with the Maine Geologic Survey.
Under that program we are investigating an area along the Maine-New Brunswick border where there is about I
9 nn a year subsidence. There is' seismicity associated with that subsidence.
Dr. David Tyler of the University of Maine, working through the Maine Geologic Survey has proposed that the area should be releveled utilizing GPS procedures.
We understand that he has approached the NGS for access to GPS receivers to conduct the measurements. Dr. Strange indicated to Dr. Tyler that NGS receivers could be maae available to him but that the field costs would have to
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