Ocean Applications remote sensing

8/13/2019 Ocean Applications remote sensing

1/90

Ocean Remote Sensing

Dr.N.Srinivasa RaoScientist

Data & information Management Group (DMG),Indian National Centre for Ocean Information Services (INCOIS)

Hyderabad - 500 090Office : +91 40 23886035,23886062Mobile: +91 9392011134

[email protected]
mailto:[email protected]:[email protected]


2/90


3/90


4/90

(Unbelievable Fish catching!!! At

Arthunkal beach on 28/01/2013)


5/90


6/90


7/90

06 Nov 2011, Oceansat-2 OCM, RGB image showing a plume near Dhamra river


8/90

06 Nov 2011, Oceansat-2 OCM, Chl-a-a image showing a plume near Dhamra river


9/90

21 Jan 2012, Chlorophyll-a 21 Jan 2012, AVHRR-SST


10/90

Arthunkal Arthunkal Arthunkal

23 Jan 2013 25 Jan 2013 27 Jan 2013

Oceansat-2 OCM enhanced images

Blooming


11/90

Arthunkal Arthunkal Arthunkal

23 Jan 2013 25 Jan 2013 27 Jan 2013

Chlorophyll-a mg/m3

Oceansat-2 OCM Derived Chlorophyll-a images

Blooming


12/90

Cold SST

27 Jan 2013 AVHRR-SST Image

Warm SST

Arthunkal


13/90

Chlorophyll-a (mg/m3)

Diffuse Attenuation Coefficient, Kd-490)

Study area showing in a circle

Enhanced RGB image

Bloom

Bloom

Observed post monsoon algal

blooms in South East Arabian

Sea (SEAS) on 19th October

2011 from Oceansat-2 OCM.

Blooming is confirmed with

chlorophyll-a and Kd490


14/90

19 Oct 2011, 11:50 Z 21 Oct 2011, 11:50 Z

Algal boom

Algal boom

Algal boom

feature shift

~ 50 km.

Algal bloom observed on 19thOctober 2011 has been moving towards north around 50Kmswithin 48Hrs with an average speed of 1Km/hr.

Chlorophyll-a (mg/m3)Chlorophyll-a (mg/m3)19, 21 Oct 2011

blended imageN


15/90

03 Aug 2013-Godavari Flood water discharge


16/90

14 Feb 2012, Oceansat-2 OCM, Chl-a showing a plume near KG basin


17/90


18/90

A Case study cyclone Laila (17-21 May 2010)


19/90

15 May 2010

Oceansat-2 Scatterometer winds

Kalpana-1 Visible

Spatial Distribution of rainfall classification

Andhra Pradesh


20/90

16 May 2010


Kalpana-1 Visible


Andhra Pradesh


21/90


22/90

Oceansat-2 Scatterometer windsMETEOSAT-7 IR


Andhra Pradesh

18 May 2010

METEOSAT-7 IR + Oceansat-2 wind vectors

LAT LON TIME WIND Status

11.8 86.1 05/18/00Z 35 TROPICALSTORM

12.3 84.9 05/18/06Z 40 TROPICALSTORM

13.2 83.3 05/18/12Z 50 TROPICALSTORM

13.4 82.2 05/18/18Z 55 TROPICALSTORM


23/90

METEOSAT-7 WV


Andhra Pradesh

19 May 2010

Kalpana-1 Visible


13.4 81.9 05/19/00Z 65 CYCLONE-1

13.7 81.4 05/19/06Z 65 CYCLONE-1

14.1 81.2 05/19/12Z 65 CYCLONE-114.3 81.4 05/19/18Z 60 TROPICAL STORM


24/90

METEOSAT-7 WV


Andhra Pradesh

20 May 2010

Kalpana-1 Visible

DISTRICT Mandal Name Rainfall (mm)

Prakasham

MADDIPADU 256.20

ONGOLE 323.50

NAGULUPPALAPADU 342.00

KOTHAPATNAM 350.00


14.9 81 05/20/00Z 60 TROPICAL STORM

15.8 80.1 05/20/06Z 50 TROPICAL STORM

15.8 80.5 05/20/12Z 50 TROPICAL STORM

15.6 80.5 05/20/18Z 60 TROPICAL STORM

21 M 2010


25/90

METEOSAT-7 WV


Andhra Pradesh

21 May 2010

Kalpana-1 VisibleDISTRICT Mandal Name Rainfall (mm)

GunturVINUKONDA 245.20

NUZENDLA 271.40

Prakasham

KOTHAPATNAM 258.60

THALLUR 262.20

CHIMAKURTHI 270.40

SANTHANUTHLAPADU 273.80

MADDIPADU 510.60

ADDANKI 522.20


16.4 80.7 05/21/00Z 50 TROPICAL STORM

16.8 81.3 05/21/06Z 40 TROPICAL STORM

17.1 81.4 05/21/12Z 35 TROPICAL STORM

17.1 81.4 05/21/12Z 35 TROPICAL STORM17.2 81.7 05/21/18Z 35 TROPICAL STORM

22 M 2010


26/90


Andhra Pradesh

22 May 2010

Kalpana-1 Visible

DISTRICT Mandal Name Rainfall (mm)

KRISHNA TIRUVURU 252.20

KHAMMAM VEMSOOR 254.40


17.9 82.5 05/22/06Z 30 TROPICALDEPRESSION

19 83.8 05/22/18Z 30 TROPICALDEPRESSION

23 M 2010


27/90


Andhra Pradesh

23 May 2010

Kalpana-1 Visible


20 85.8 05/23/06Z 25 TROPICAL DEPRESSION

Spatial distrib tion of 24hrs rainfalls classification d ring 19 22 Ma 2010 C clone Laila


28/90

Spatial distribution of 24hrs rainfalls classification during 19-22 May 2010, Cyclone Laila

19 May 2010 20 May 2010

21 May 2010

Rainfall source:www.apdes.gov.in

22 May 2010

Mandal wise recorded rainfalls=25cm)


29/90

23 May 2010-chlorophyll


30/90

25 May 2010-chlorophyll

Oceansat-2 OCM Chlorophyll-a (mg/m3)


31/90

17 May 2010 23 May 2010 25 May 2010 27 May 2010 29 May 2010 31 May 2010

02 Jun2010

Chlorophyll-a (mg/m3)

26 May 2010


32/90

26 May 2010

True colour image of TERRA-MODIS 500m bands

geostrophic current



33/90

27 May 201029 May 2010

31 May 2010 02 Jun2010

Oceansat 2 OCM Chlorophyll a (mg/m3)


34/90

TMI

geostrophic current Sea surface temperaturesimages derived through TMI

shows that these fresh water

plumes are warm (31C)

and due to cyclonic

circulation in north central

bay cooled around 0.75C.


35/90

Case study-2 (Sep 2011),

Flooding situation


36/90

Eastward advected plum(~400Km);

near Godavari river observed in Oceansat-2 OCM data on 29Sep2011.


37/90

Eastward advected plume (~400Km);

near Godavari river observed in Oceansat-2 OCM data on 29Sep2011.


38/90

FCC


39/90

Chlorophyll-a


40/90

TSM

Case study 3


41/90

Case study-3

Cyclone Thane


42/90

28 Dec 2011-07:03 Z; NOAA-19 AVHRR-FCC


28 Dec 2011-07:03 Z; NOAA-19 AVHRR-10m BT

3 day moving average SST from TMI


43/90

24 Dec 2011-TMI-sst28 Dec 2011-TMI-sst 30 Dec 2011-TMI-sst

01 Jan 2012-TMI-sst 02 Jan 2012-TMI-sst

y g g

30 Dec 2011-TMI-sst


44/90



45/90

05 Jan 2012


46/90

VIIRS


47/90


48/90


49/90


50/90


51/90


52/90


53/90


54/90


55/90


56/90


57/90


58/90


59/90


60/90


61/90


62/90


63/90


64/90


65/90

Internal waves


66/90

26 Feb 2013, Oceansat-OCM (620-555-510 nm)


67/90

26 Feb 2013, Oceansat-OCM (620-555-510 nm)


68/90

26 Feb 2013, Metop-2 AVHRR-SST


69/90

26 Feb 2013, Oceansat-OCM Chlorophyll-a

Date: 26.03.2011Scene:9/13

Internal waves


70/90

Internal waves

Date: 26.03.2011Scene:9/13

Internal waves


71/90

Internal waves

Date: 26.03.2011


72/90

Oceansat-2 OCM Chlorophyll-a

NOAA-18 AVHRR SST Gradients


73/90

24 Dec2012,

Oceansat-2 OCM


74/90

24 Dec2012,

Oceansat-2 OCM


75/90

24 Dec2012,

Metp-2 AVHRR-SST


76/90

11 Mar 2012


77/90

11 Mar 2012


78/90


79/90

18 Mar 2012


80/90

19 Mar 2012


81/90

20 Mar 2012


82/90

21 Mar 2012


83/90

22 Mar 2012


84/90

Dust storm from Oman to Gujarat


85/90


86/90

Ascat winds

Date: 23.03.2011


87/90

Scene:8/13

Ship tracks

Date: 23.03.2011


88/90

Scene:8/13

Ship tracks (~600 Km)

Oil Slick identified in Oceansat-2 OCM on 01 Oct 2011 at 05:40 Z

Diffused extent ~ 34 Sq.km


89/90

India

Srilanka


90/90

Ocean Applications remote sensing

Documents

Transcript of Ocean Applications remote sensing