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Natural Resources Remote Diagnostics

#1544


Passive and Active Optical Methods and Technologies for the Remote Diagnostics of Natural Environment

Tech Area / Field

  • ENV-MIN/Monitoring and Instrumentation/Environment
  • PHY-OPL/Optics and Lasers/Physics

Status
3 Approved without Funding

Registration date
30.06.1999

Leading Institute
Karpov Institute of Physical Chemistry, Russia, Moscow

Supporting institutes

  • Belarussian State University / Institute of Applied Physical Problems, Belarus, Minsk\nMoscow State Academy of Instrument-making and Informatics, Russia, Moscow

Collaborators

  • US Department of Agriculture, USA, MD, Beltsville

Project summary

The aim of the proposed project is the development of the spectral polarimetric methods, technology and portable devices for efficient remote diagnostics of environment state, in particular, plant tracts, soils inner and external water bodies with the aim of using in ecological, agricultural and other nature-saving programs.

Technical approach and methodology to achieve the aim are based on the coupled using of mathematical simulation techniques, laboratory and field experiments.

The mathematical statement of the problem is based on the radiation transfer theory using of the Monte-Carlo method: local estimates, conjugate equation, method of dependent trials, method of asymptotic solutions, as well as the method of discrete ordinates and finite elements. The matrixes of light interaction with biological, organic and mineral objects are calculated with accordance of Mie theory. To examine the adequacy of the mathematical models, high technological devices will be created for measurement of spectral, polarization, angular and space characteristics of scattered, reflected and absorbed light by the method of passive and active location.

The determination of qualitative and quantitative parameters of object state (the deviation from normal content of biological and mineral suspension in a water, the quantity of useful plant biomass, a pathology of plant leaf tissue and others) are carried out by the way of solving the inverse problems of remote sensing with attraction of developed technique of mathematical simulation and structure processing of multidimensional experimental data.

The advantages of propose approach are the joint using of passive and active sounding methods, the high efficiency of proposed methods and application of high technologies for spectral devices construction, efficient method for data processing and inverse problem solving.

Expected results are the following:


· the set of physical-mathematical models and techniques will be developed as a software product, involving the optical-physical model of a leaf tissue of plants;
· model of optical characteristics of surface water layers taking into account optically active components and suspended matters, techniques of radiation transfer in multicomponent media, techniques for determination of content of biological and mineral suspended matters in a water;
· portable spectrometer-polarimeter in the range of 0.4-2.5 m, and with high spectral resolution, that will allow to ensure high-accuracy measurements of radiation characteristics of various objects and media in arbitrary field and laboratory conditions;
· spectrozonal videopolarimeter (0.4-1.1 m) for the remote registration of energy and polarozational characteristics objects’ images in preliminary selected three spectral intervals;
· lidar-radiometric complex for the atmospheric correction and twenty-four hours period studying of spectral polarization and thermal characteristics of plant tracts.

Received results will be used as it is supposed, in routine, operative and investigative work of:


· scientific research institutes, national centers, experimental stations and supporting points of Agricultural Ministry;
· Ecological Ministries and Centers, Nature Save Committees and Environment Save Agencies, National parks and biospheric reserves;
· National and local forests, pond and natural fish-breeding farms, in resort-treatment belts and others’.

The potential role of foreign collaborators

One of the familiar american scientists, head of section of the FIFE-89 program, First ISLSCP Field Experiment performed in Kansas state, USA, Dr. Charles L. Walthall has agreed to participate in the present project as foreign collaborator from the Remote Sensing and Modeling Laboratory Agricultural Research Service of US Department of Agriculture in a part of rendering of expert advice, discussion of results and joint publications.

In the last years we had also contacts with the representatives of a number of foreign organizations, engaging in development of methods of measurements and creation of a portable devices for remote optical diagnostics of a state of media and objects. All of them stated interest to our work and could become the potential foreign partners at fulfillment of the given project. These can be:


- Corporation GER (Geophysical and Environmental Research Group), Millbrook, NY, USA;
- The business firm “Analytical Spectral Devices, Inc.”, Boulder, CO, USA;
- Santa Barbara Research Center, CA, USA;
- Company “Spectral Signatures Ltd.”, Dublin, Ireland;
- The business firm “TERMA Electronik AS”, Lystrup, Denmark;
- The business firm "Optimare GmbH”, Wilhelmshaven, Germany.

The working of our persons under the project will contribute to further development of the studying in the region of mathematical physics, of constructions of up-to-date optoelectronic devices and remote sensing techniques for solving the economic and ecological problems.

The affirmative judgment on the project will be a good stimulus for participating of personal in different international programs and will contribute to conversion to market economics.


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