Environmental Benefits due to Adoption of Satellite-based
Fishery Advisories
Authors
M. Nagaraja Kumar, Preetha Nair, V. Narayana Pillai and T. Srinivasa Kumar
Source
Fishery Technology 55 (2018) : 100 - 103
Abstract
Fishing operations in India consume large amount
of fuel mostly for scouting operations by vessels.
The satellite based Potential Fishing Zone (PFZ)
advisories have provided an effective solution for
making the fishing operations more profitable by
reducing search time and hence reducing fuel
consumption, which in turn reduces the CO2
emission to the atmosphere. In order to quantify the
amount of reduction in the CO2 emission, the data
collected from the 69 ring seine operations off
Kerala coast have been utilized. The average CO2
emission within PFZ and outside PFZ advisories are
found to be 0.161 t and 0.959 t respectively, resulting
in reduction of 0.8 t. The total reduction in CO2
emission due to usage of PFZ advisories by these
69 experiments is found to be 55.052 t. The
quantification of these results clearly shows that the
PFZ advisories are helpful in reducing the CO2
emission to the atmosphere and making it environment
friendly.
Paper No
2
Publication ID : 466 & Year : 2012
Title
A Comparative study on feasibility of utilization of GHRSST product for operational generation of Potential Fishing Zone (PFZ) Advisories in India
Authors
Nagaraja Kumar M, Srinivasa Kumar T, Naga Swetha N, Sourav Maity, Jemima U
Source
International Journal of Earth Sciences and Engineering (IJEE), Vol 5, No 2, April 2012
Abstract
The operational generation of Potential Fishing Zone (PFZ) advisories in India is limited by the
availability of the satellite data during the cloudy days and for the cloudy areas, because of the inability of the passive sensors to pass through the clouds. Also usage of microwave sensors is not feasible for operational services
due to its coarse resolution. However, there is a huge demand from the fishermen community to provide PFZ advisories on cloudy days / monsoon period also as the period corresponds to the peak fishing season. Keeping in view of the demand and availability of the optimally interpolated merged product from GHRSST-PP, it is proposed to utilizE 5 kms SST product obtained from the GHRSST-PP. In view of this, a comparative analysis has been carried out on the feasibility of utilization of the GHRSST product for operational generation of PFZ Advisories. The analysis is carried out in two parts to estimate (i) how many features existing in OSTIA SST product are really matching with the high resolution SST product derived from NOAA AVHRR / MODIS Aqua and (ii) how many false features are seen in the OSTIA-SST which are actually not seen in the NOAA AVHRR / MODIS Aqua SST products. From the analysis it was found that the OSTIA product is suitable for operational generation of PFZ advisories with certain limitations. While delineating the fishing zones, care must be taken that only large sized
features are to be selected. Also persistence of the features is to be cross-verified before selection of the features and the dispersed features should be completely avoided.
Paper No
3
Publication ID : 467 & Year : 2009
Title
Forecasting the oceans : The oceanographic services from the Indian National Centre for Ocean Information Services: The oceanographic services from the Indian National Centre for Ocean Information Services
Authors
S. S. C. Shenoi, T. Srinivasa Kumar, T. M. Balakrishnan Nair, E. Pattabhi Rama Rao, M. Nagaraja Kumar, Ch. Patanjali Kumar, E. Uma devi, K. G. Sandya and K. Annapurnayya
Source
Mausam, Diamond Jubilee Volume, 2009, 225-238
Abstract
Ministry of Earth Sciences (formerly Department of Ocean Development) established Indian
National Centre for Ocean Information Services in Hyderabad to provide the best possible ocean information and advisory services to the society, industry, government and scientific community through sustained ocean observations
and constant improvements through systematic and focused research In pursuit of this goal, INCOIS is engaged in providing the information and value-added services on the oceanic realm to the coastal community, maritime boards, industry, etc. In this article describes the various services, including the tsunami early warnings, provided by INCOIS for the benefit of society, decision makers, researchers and industry on a day ¿to-day basis.
Paper No
4
Publication ID : 136 & Year : 2009
Title
Phytoplankton bloom due to Cyclone Sidr in the central Bay of Bengal
Authors
Srinivasa K. Tummala, Raghavendra S. Mupparthy, Nagaraja Kumar M., and Shailesh R. Nayak
Source
J. Appl. Remote Sens. 3, 033547 (2009), DOI:10.1117/1.3238329
Abstract
The evidence of phytoplankton bloom in response to the cyclone Sidr in
the central Bay of Bengal (BoB) basin has been reported. Satellite observations of
surface chlorophyll-a concentration (Chl-a) from MODIS-Aqua, sea surface
temperature (SST) from MODIS-Aqua and TMI were studied for before, during and
after cyclone periods. The mixed-layer depth (MLD) derived from the nearest Argo
float that was closest to the cyclone track along with the float temperature and
salinity (T/S) profiles near the cyclone track were studied to further complement the
satellite observations. Nearly 900 km long phytoplankton bloom was observed along
the cyclone path. Along the path of cyclone Sidr, the average increase in Chl-a due to
Sidr during the cyclone and after cyclone period was about 285 per cent and 150 per
cent respectively, from the before-cyclone period. The mean decrease in SST from
before cyclone period was about 1.75 °C and 1.27 °C between during and after
cyclone period respectively, with maximum cooling of 3.2 °C observed during
cyclone period. The Argo float observations indicate deepening of MLD by 15 m,
during the cyclone and shoaling of MLD after the cyclone by about 35 m. Upward
Ekman pumping due to cyclonic winds caused upwelling of nutrient rich subsurface
waters, which led to the bloom in the BoB.
Paper No
5
Publication ID : 137 & Year : 2008
Title
Benefits derived by the fisherman using Potential Fishing Zone (PFZ) advisories
Authors
Tummala, S. K., Masuluri, N. K., Nayak, S
Source
Proceedings of SPIE Vol. 7150, 71500N (2008)
Abstract
About 7 million people in India are dependent on fishing activity for their livelihood. A reliable and timely short-term
forecast on the fish aggregation zones helps them. Indian National Centre for Ocean Information Services (INCOIS)
provides short term forecasts using Remote Sensing (RS) and Geographic Information System (GIS) Techniques.
Satellite derived Chlorophyll and Sea Surface Temperature (SST) information are the basic inputs for generating this
information. Features such as oceanic fronts, meandering patterns, eddies, rings and up-welling areas are identified from
the satellite images, transferred to navigational charts and provided as PFZ advisories. This paper describes the
advantages resulted due to the usage of PFZ advisories that are disseminated to the fishing community of India. A
quantitative analysis of the benefits in terms of net profit fetched due to the reduction in searching time and higher catch
and percentage of success in the fishing operations carried out within PFZ and outside PFZ areas is presented.
Paper No
6
Publication ID : 139 & Year : 2007
Title
Remote Sensing for fishery forecast in India ¿ An overview of the Mission and Validation Results
Authors
Nagaraja Kumar M
Source
Proceedings of the Indo-Australian Workshop on Remote Sensing, 2007, 125-127
Abstract
About 7 million people living along the Indian coastline, spanning more than 8100
km, are dependent on fishing for their livelihood. Locating and catching fish is,
however, becoming more challenging as fish stocks dwindle and move further
offshore, thus increasing the search time, cost and effort. A reliable and timely
forecast on the potential zones of fish aggregation will benefit the fishing
community to reduce the time and effort spent in searching the fishing grounds,
thus improving their socio-economic status. The concerted efforts of scientists
from Earth Sciences, space and fishery science in collaboration with the coastal
states have resulted in a unique service of Potential Fishing Zone (PFZ)
advisories.
Paper No
7
Publication ID : 138 & Year : 2007
Title
Satellite based fishery forecast in India
Authors
Shailesh Nayak, Srinivasa Kumar T and Nagaraja Kumar M
Source
GEO Summit Publication 2007, 1310
Abstract
India has a 7,500 kilometre coastline and an exclusive
economic zone (EEZ) of about two million square kilometres.
About seven million people living along the coast are dependent
on fishing for their livelihood. The locating and catching of
fish has, however, become increasingly challenging as fish stocks
dwindle and move further offshore. This increases the search
time, cost and effort involved. A reliable and timely forecast on
the potential zones of fish aggregation would benefit the fishing
community by reducing search time and the effort involved in
locating fishing grounds.
Paper No
8
Publication ID : 140 & Year : 2007
Title
Validation of Potential Fishing Zone Advisories (2006-07)
Authors
Srinivasa Kumar, Nagaraja Kumar, Padmaja, Naga Swetha, Shailesh Nayak, V. Narayana Pillai, K. Gopala Reddy, S. Subramanian, N.C. Anil Kumar, P. Nammalwar Rajan, U. H. Mane, K. V. Radhakrishnan, P. Kumar
The Potential Fishing Zone (PFZ) Advisories are being generated and disseminated by Indian National Centre for Ocean Information Services (INCOIS). The methodology used for generation of these advisories and the scientific basis behind the identification of the PFZ locations was described. With a view to validate these PFZ Advisories and to assess the potential benefits to the fishing community, INCOIS had undertaken PFZ validation experiments at various places under the leadership of fishery experts. Simultaneous fishing operations have been conducted within the PFZ Areas and outside PFZ Areas using identical vessels. The quantitative results of the experiments were described
Paper No
9
Publication ID : 141 & Year : 2003
Title
Applications of Remote Sensing and GIS for Potential Fishing Zone Advisory Services
Authors
Srinivasa Kumar T, Manohar V.N., Nagaraja Kumar M, Radhakrishnan K
Source
Proceedings of the Workshop on Marine Fisheries, May 07, 2003, Goa, India.
Abstract
About 7 million people living around the coast line of India, spanning more than 7500 km, are dependant on fishing activity for their living. A reliable and timely short-term forecast on the potential zones of fish aggregation will benefit the fishing community to reduce the time and effort spent in searching the fishing grounds, thus improving their socio-economic status. The concerted efforts of the scientists from Ocean Development, Space and Fishery Sciences have culminated in a unique service to provide such short term forecasts using Remote Sensing and GIS techniques. Chlorophyll derived from the Indian Remote Sensing satellite (IRS-P4) and Sea Surface Temperature information derived from American NOAA satellite are the basic inputs for generating this information. Features such as oceanic fronts, meandering patterns, eddies, rings and up-welling areas that are proven to be prospective areas for fish aggregation, are identified from the satellite images, transferred on to navigational charts and provided as Potential Fishing Zones. GIS comes in as a very handy tool for creation of the database, analysis of data, delineations of features, generation of maps and dissemination of the advisories using Web-GIS.
This article describes the advantages resulted due to pioneering use of a Remote sensing and GIS in production and generation of Potential Fishing Zones Advisories that are disseminated to the fishery community of India.
