Airborne infrared and radar photography of Oregon and Washington coastal region

Mac Leod, N. S.

Snavely, P. D., Jr.

English

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https://ntrs.nasa.gov/search.jsp?R=19690015646 2020-03-12T04:09:44+00:00Z
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	,^I^ LOGICAL SURVEY	 September 1968
	
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Mr. Robert Porter
Acting Program Chief,
Earth Recources Survey
Code SAR - NASA Headquarters
Washington, D.C. 20546
Dear Bob:
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Transmitted herewith is one copy of:
INTERAGENCY REPORT NASA-124
PRELIMINARY EVALUATION OF INFRARED AND RADAR
IMAGERY, WASK NGTON AND OREGON COASTS*
by
Parke D. Snavely, Jr.**
and
Norman S. MacLeod**
The U.S. Geological Survey has released this report in open files.
Copies are available for consultation in the Geological Survey
Libraries, 1033 GSA Building, Washington, D.C. 20242; Building 25,
Federal Center, Denver, Colorado 80225; 345 Middlefield Road,
Menlo Park, California 94025; and 601 E. Cedar Avenue, Flagstaff,
Arizona 86001.
Sincerely yours,
William A. Fischer
Research Coordinator
EROS Program
*Work performed under. NASA Contract No. W-12589 and
Task No. 160-75-01-54-10
**U.S. Geological Survey, Menlo Park, `California
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P
I
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
INTERAGENCY REPORT NASA-124
PRELIMINARY EVALUATION OF INFRARED AND RADAR
IMAGERY, WASHINGTON AND OREGON COASTS*
by
Parke D. Snavely, Jr.**
and
Norman S. MacLeod**
September 1968
Prepared by the Geological Survey
for the National Aeronautics and
Space Administration (NASA)
i
*Work performed under NASA Contract No. W-12589 and
Task No. 160-75-01-54-10
**U A. Geological Survey, Menlo Park, California
cw
PRELLKIN' CRY INITERPRETATxOty OF IN'Vi RLD AND RADAR
IMAGBXX, WASHINGTON AN'D OREGONGON COASS
by
Parke D. Snavely, Jr.
and
Dorman S. MacLeod
U.S. Geilogical. Survey
Menlo Park, California
w
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This preliminary evalla t .c^I of th, enpl-scat .on- o-
infrared imagery to problems in zinc Coo1oCia mit 4 J^J«LA+ I
(`:rya.-Ok No. 16o-75-01-54-10) is -alnteilaad to Nerve as a Mission
Analysis Report of WASA Conva r 240, Sii: sion 55 1own on
`	 AuCast 16, 1957.
The images contained in tnil.s report ire negative pwi;ats
in which bright areas represent cool materials and black areas
are relatively wxvq,
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ino
I	 . . . . . . . . . . . . . .
xi;wAar Z=L^ory
ACqxe 1. Infrared image of the mouth of the Quinault River,
Washington.
Vi: gore 2. infrared image of the mouth of the Queets River.,
Washington.
Fiore 36 Infrared image of the mcaxth of the Hoh Over,,
Washington.
riigure 4. Infrared image of wave- cut platform shoreline,
near Ozette Island, Wishing on.
Figure 5. Infrared image of large scale ripple marks,
Willapa Bay, Washington.
I
az, r- 'ar	 of P.-.!
coa izcoas tal Uxca is a-a idQ 4,,.- I' zc^s t ,^ a	 z'or
7
it has a 6Las%:: CGVU— 0 7 V,: , %^tationA. 
poorly	 T'hus it serves to d^4A—i - W
	
o iM.
arL-as not ideally suited for geolo8i-.. x14*orpretat' un of
aerial photographs.
'Vuch of the geology of this coaLita" area has
	 Lis
part of the U. S. Geolo gical Survey's , - j:z ( , :Lozial -eologic nawpi-,, ,0	 A. L;,	 41
program. More recently, detailed invt stigatio-ns of the gc;olo^ ,y
 of
the Orec;on and Washington coast havi-! baeii undertaken as part  of -che
study of the stratigraphy, structure, .^coaoulc pote-at , - 1 1 ,--4
of the continental shelf extending from the continental mar ,, in to
the Coast Ranges. Because much of th3 existini , snapping of the
coastal belt is reconnaissance, more detailed mappin g of selact(4
aro:as has been required for the interprQtation of sowe features sho,,v;a
by the imagery. Field studies of most of these features will bL-
complotod by September, 1968, and a	 roport of thc,
 iu:L"raI7UU'
and radal* 1111al"ory 14111 I)U proparod.
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jSelacted parl_%' 02'* ":hc^
3.5	 for detailed cnalysos.
	
AL	 ^.ry 	 C4coajtal area shown :i re th e	 im a - Oj	 a, *Yi
by tl.i. 1i c:. nnua l rainfall and	 Sc'vl^;r"A Z:LVL^'.i3
ho"-dwatLrs are in the Olyiapia Mouat.-i-D.:^	 charr, c ilILO thL! S' C:a aloz,"
tho -northern Washington coast; amon- , t- laa larger of thosLi Lra thu
Sol. uduck, Holz, Queets, and Quir, "-;ult 11.1"i'vcro. Thu Chehalis, Wil1c.,%.
and the Columbia Rivers discharge to t 
	 sea i-a t" Ilic sout", ern coast
through Grays Harbor, Willapa Bay a-a "­ the Columbia a-':"­ ry,C^	 01-
Loeser Eocane to Pliocene sudimc:nt&, ^ • y and vo l canic rocks crop
out on wave-cut platforms, sra cliffs, and rug-cd headlands between
Grays Harbor and Cape ?Flattery along the. Washi-cc-ttoo. Coast. Plu-It-,toc'.-aO^
4v,Lictal dui)rlo blafl r oLi) motif. o].' the Inlaud aroa and locally
beyond the coast line. South of Grays Ha- ; gar to the Columbia Rivar
the coastal area is characterizad by broad beaches, and spits that
are mantled by dune deposits; Tertiary bedrock is exposed only in a
few places.
2
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L.rtr now bein, prepared.	 T:t:se =,iy	 li'14'"l-olo^si^a^i
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Even though the infrared imagery has not been particularly 4,LfUl
{ in ra^;pect to showing bedrock features, it does show remarkable tht.rmal
T
variat-ions in sea eater adjacent to the coast.	 These are significant
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	 oldon. We asi; of the Mcv, QlawaSM;
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'of the younger plume. The indivituni pL=es- contalLn note Wan Ova
pronounced concentria thowmal 'bands. TO outcr 100 of wsclhr, b t^ ,.-.CL
is =harp and contains rulativol-jr wa= w ter; the weber tc=yorat=i -
vithin individual bands, decroazoo	 '.1 1y landward, u— mall. :C
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	 to boanIers of the lur^;cx
bands.
These conecatrically banded the=al plumes most likely forxed
as a result of pulsing discharga of fresh river meter in dyn=ic
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f 4,.Lgh titles would provide the data ne((dcd to lr to j)rct1 }?xY ur"le or^,^ .^a t
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	 A% Vow
in the field they 
will 
bje NTor ,,U, L-d,	 mol!^
liadar 3'h^=,,ery
Preliminary interpretation 
of 
radar imace ^ y of a 10
strip of the OrScon Coast- extendinL.:,, f:Ma iiEAi Callfoi,;aia,	 *1 ztj
the Columbia River is reported in Snavely and Wa;^ Qa? ( 31 C,*L^)
Mfbmittal of that report, field evaIuation m, of illo :,.,adLz-- ,.; - Y
continued but, because of the large area involvocl., are not- ;hut V
PrI.Ancipal conclusions presented in the techaical 1(,,-VJU-or are: (:L)
:LiaGery provides a very clear rendition of the toDograj. !., ^aad in171
"d"- moliatez" the thick cover of vegetation; (2) rocks of h.46ji
and -,ux-:Cace rouahness underlie areas depicted on theU
tones, and rocks with low density and (or) high water c=bixnt
areas which appear dark on the imagery; and (3) fault traces can ba
discerned on the imagery by juxtaposition of areas with different tonal
rendition and by associated linear topographic featuwez.
Reconnaissance field mapping during the last year has shove that
several anomalous linear features on the imagery are expressions of
previously unrecognized faults. The largest of these faults tvenCIG
fX-0111 Mar the 	 3,ilnixth of	 Drt','t C"voelk	 t of l' T,:1 w-o'! 1, (-1, 46y)
for a distance of at least 10 miles and is, cX9rcs, ., ",cd on the radar
imagery as an 'aligned series of hills and streams. Field investigations
t8
I
that -wevow"ll otl-.cr
however, ToCiult Trom.
bedz. Zhere 'llowe ^ carcivl
c hiu A..-.-1tQ to Coolo.ic evaluation of 4v- 	 r-d,-vr
Additional field work including Cxtailoa
zwu,rv,^yZ are planned during the	
of 
1963 on Ul^
S"'Cimature, described in Snavely and WaL-,ac;r	 10
U	 Vzolath 
of 
Astoria. It is anticiated that tai inv^^-U-	 U:.
structure and field ,itudieg 
of 
other	 0-
the radar :Ima-gery will be completed daring the	 o,2 IqK2^-' U'a"d
a comprehensive report on the geolo,,,,i,c eval:aation of the radz;x
will then be issued.
Refer-mce Cited:
J
Snavely, P. D. , Jr., and Wagner, H. C. 1966, Geo-"L'o^Sical eva2:a^tion
."0 Alq/APQ-97 radar -'nagery ., Oregon coast: U. S. Geol. Survey Tadn.
Letter NASA-16, 7 P.
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Preliminary evaluation of infrared and radar imagery, Washington and Oregon coasts

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