General Information
Chapman Conference on Space Based Radio Observations at Long Wavelengths
Le Carre des Sciences, 1 rue Descartes
Paris, France
October 19-23, 1998
(Monday through Friday)



Program View Program
This meeting provides an outstanding opportunity for researchers, teachers, students, and consultants to review the latest issues affecting the Earth, the planets, and their environment in space.
You may contribute to the success of this meeting by submitting an abstract and attending the presentations. Don't miss this chance to attend scientific sessions targeting your specific needs and interests, and to meet with your colleagues to review the latest developments in your field.


Conveners Jean Louis Bougeret, DESPA, Observatoire de Paris-Meudon, Place Jules Jannen, 92195 Meudon Principal Cedex, France, Phone: +33-1-4507-7704, Fax: +33-1-4507-2806, E-mail: Bougeret@megasx.obspm.circe.fr

Robert G. Stone, Senior Scientist, Laboratory for Extraterrestrial Physics, Code 690, NASA Goddard Space Flight Center, Greenbelt, MD 20771, Phone: +301-286-8631, Fax: +301-286-1683, E-mail: Stone@URAP.GSFC.NASA.gov


Local Organizing Committee Yolande Leblanc, Chairperson, Paris Observatory

Sang Hoang, Paris Observatory

Marie Rose Rama Rao, Paris Observatory

Jean Louis Bougeret, Paris Observatory


Program Committee J L Bougeret, Paris Observatory

W Farrell, NASA Goddard Space Flight Center

G Dulk, University of Colorado and DESPA Paris Observatory

S Hoang, DESPA Paris Observatory

D Jones, Jet Propulsion Laboratory, NASA

H Rucker, University of Graz, Austria

M Kaiser, NASA Goddard Space Flight Center

T Kuiper, Jet Propulsion Laboratory, NASA

N Kassim, Naval Research Laboratory

R MacDowall, NASA Goddard Space Flight Center

R Stone, NASA Goddard Space Flight Center

K Weiler, Naval Research Laboratory

P Zarka, DESPA Paris Observatory


Conference Scope This Chapman Conference will bring together astronomers, astrophysicists, plasma physicists, solar physicists, and planetary magnetospheric physicists currently conducting research involving the interpretation of long wavelength electromagnetic radio wave observations in terms of the physical properties of the source region and the medium between source and observer. One basic objective is to foster better communication amongst these diverse groups of scientists so as to advance the understanding of this topic and to generate more frequent collaborations amongst these diverse groups. The history of radio astronomy has amply demonstrated that it can be characterized as the "science of new phenomena." Over the past five years, there has been a plethora of new observations of solar system sources including the Sun, the magnetospheres of the outer planets, the Earth and the Heliosphere boundary. Many highly significant discoveries have been made in the past several years.

This conference will be a unique opportunity for researchers across the field to exchange ideas, learn of the latest scientific and observational techniques, and to motivate younger scientists to become involved in this field. Despite the undeniable fact that the opening of each new frequency band has seen discoveries of entirely new phenomena, a sine qua non has been adequate antenna gain. With the development of new observational techniques, including space borne interferometry and aperture synthesis, to be covered as part of the conference, observations of the cosmic background distribution and spectra of a large number of discrete sources will be possible for the first time at long wavelengths. The capability will open a virtually unexplored part of the electromagnetic spectrum. It will also greatly improve our observations of the solar system sources by at least an order of magnitude. We anticipate that this conference will lead to new mission concepts and collaborations concerning such future missions, their data, and their interpretations.

In addition, the conference will highlight new methods of exploring sources within the Heliosphere. These include such missions as SIRA (Solar Imaging Radio Aperture) and STEREO. The essential connection with ground-based long wavelength observatories will be an integral part of the program. It will also discuss proposed missions such as ALFA, lunar Orbiting observations, etc. for viewing with sufficient angular resolution to observe discrete sources and for mapping the cosmic background. A further objective is to demonstration how an instrument developed for observing cosmic sources can also be used to advantage for the exploration of solar system sources.


Topics to be Discussed


Conference Format Invited Speakers: The organizing committee has selected invited as well as tutorial speakers with great care to insure that they are not only well respected members of their field but also that they will be effective speakers. Almost all of the invited speakers have been contacted and have expressed an enthusiastic willingness to participate. We will draw upon scientists from the United States, Eastern and Western Europe, Russia, and Japan.

Tutorials: Because the subjects covered are diverse, tutorials covering emission processes, observational methods, and fundamental reviews of current results are included to encourage attendance by graduate students and individuals from related fields. There will be sessions on observations of the Sun and Interplanetary medium and Hemisphere boundary, planetary magnetosperes, the galactic background and discrete sources. Tutorials will also cover non coherent processes, coherent processes, self-absorption, source evolution, interstellar and intergalactic medium. Current experiments as well as those in development and proposed missions will be covered. These include, but are not limited to, astrophysical and solar system source observations. Participants from related fields as well as graduate students should acquire a sufficient background in the capabilities and limitations of long wavelength radio astronomy from this conference to begin to develop their own programs or, at a minimum, to be able to understand the current research. The specialists in the field will obtain a broader perspective of the research and also participate in discussions of the latest research work.

Posters Sessions: Poster sessions are encouraged and adequate time will be allotted for complete viewing. Each day's poster session will be related to that day's subject. They offer interested viewers an opportunity to interact for extended periods of time. Special effort for ease of viewing will be made for poster presentations. At the opening of each day's sessions, the session chairperson will summarize the major points of a group of poster papers to increase interest in viewing.

Summary Sessions: These sessions will follow each major topic for the purpose of allowing questions and stimulating new ideas, challenges, and new concepts. There will be a panel of experts who covered that subject's topics. We are allocating at least one hour per summary session. There will be discussions concerning which problems need to be addressed first and a road map as to how they can be resolved.


Preliminary Conference Schedule A preliminary conference schedule is now available.


Paris, France This meeting will be held at Le Carre des Sciences, 1 Rue Descartes, 75005 Paris (Latin quarter).

Most of the recommended hotels are within a 5 to 10 minute walk from St. Michel-Notre Dame, and the Conference Center is a 10 to 15 minute walk. (See map)

Transportation from the airport to the hotels and Conference Center:

Charles de Gaulle (CDG) Airport: Take an airport bus to the station of RER B. At the station, purchase a ticket to Paris (about 50 FF). Descend from RER B at "St. Michel-Notre Dame."

Orly Airport: Purchase a ticket to Paris via Orly-Val and RER B at the airport (about 50 FF). Orly-Val is a shuttle from the terminals at Orly to RER B at station Antony. From Antony take RER B to Paris and descend at "St. Michel-Notre Dame."


Registration, Housing, and Social Events REGISTRATION

Registration Form

Registration deadline is September 18, 1998.
Please note: Attendance is limited to 125 persons.

HOUSING
Hotel reservations must be made as soon as possible, as October is a high season in Paris. Hotels are listed below. Most of the recommended hotels are within a 5 to 10 minute walk from St. Michel-Notre Dame and the Conference Center is a 10 to 15 minute walk. (See map)

Reservations must be made directly by participants by fax with your credit card number. Reservations are accepted on a first-come, first serve basis. Ask the hotel to confirm your reservation.

In case of problem you can send an e-mail to Marie-Rose Ramarao, ramarao@obspm.fr.

We have been able to negotiate the price with only 2 hotels (Tour Notre Dame and College de France). For these 2 hotels, please indicate, when making your reservation, that you are a participant in the Chapman Conference, CNRS.

Please note that October is a high tourist season in Paris. Therefore your are urgently encouraged to make your reservation as soon as possible.

HOTELS WITH SPECIAL RATES

1.HOTEL TOUR NOTRE DAME***
20 rue du Sommerad, 75005 Paris
Tel. 33/01 43 54 47 60
Fax. 33/01 43 26 42 34
Single: 680FF - Double : 770FF breakfast included

2. HOTEL COLLEGE DE FRANCE**
7 rue Thenard, 75005 Paris
Tel. 33/01 43 26 78 36
Fax .33/0146 34 58 29
Single: 408FF - Double: 468FF

HOTELS WITHOUT SPECIAL RATES

1. HOTEL DU PANTHEON***
19 place du Pantheon, 75005 Paris
Tel. 33/01 43 54 32 95
Fax. 33/01.43 26 64 65
Single or Double : 800 FF (ask with view on the Pantheon)

2. HOTEL AGORA ST GERMAIN***
42 rue des Bernardins, 75005 Paris
Tel. 33/01 46 34 13 00
Fax. 33/01 46 34 75 05
Single: 590FF - Double : 720FF including breakfast=20

3. HOTEL JARDIN DE CLUNY BEST WESTERN***
9 rue du Sommerad, 75005 Paris
Tel. 33/01 43 54 22 26
Fax. 33/01 43 54 89 95
Single: 600FF (shower), 650FF (bath) - Double : 695-76O FF

4. SELECT HOTEL***
1 place de la Sorbonne, 75005 Paris
Tel. 33/01 46 34 14 80
Fax. 33/01 46 34 51 79
Single or Double : 805 FF

5. HOTEL ST SEVERIN**
40 rue St Severin, 75005 Paris
Tel. 33/01 46 34 05 70
Fax. 33/01 46 33 84 47
Single or double : 450 FF

6. HOTEL ST JACQUES**
35 rue des Ecoles, 75005 Paris
Tel. 33/01 44 07 45 45
Fax. 33/01 43 25 65 50
Single : 385FF (shower) 485FF (bath). Double : 470 - 520FF

7. HOTEL DU PANTHEON*** (Hotel de Charme)
19 place du Pantheon, 75005 Paris
Tel. 33/01 43 54 32 95
Fax. 33/01 43 26 64 65
Single or Double: 800F
Breakfast: 50F/person

8. TULIP INN SAINT GERMAIN***
33 rue des ecoles. 75005 Paris
Tel. 33/01 43 54 37 78
Fax. 33/01 43 29 91 31
Single: 610F
Double: 710F
Breakfast included

9. HOTEL CLUNY SORBONNE**
8 rue Victor Cousin, 75005 Paris
Tel. 33/01 43 54 66 66
Fax. 33/01 43 29 68 07
Single: douche:390F, bains: 405F
Double: douche : 400F, bains : 420F breakfast: 35F

10. HOTEL DU BRESIL**
10 rue Le Goff, 75005 Paris
Tel. 33/01 43 53 76 11
Fax. 33/01 46 33 45 78
Single: douche :315/350F
Double: douche :400F, 2 beds: 420F breakfast : 35FF
tax : 5F/day/person

SOCIAL EVENTS
Reception at the Observatoire de Paris, Salle CASSINI
Monday, October 19
6:30pm
Exhibition: "Mesure du temps"

Excursion to Fontainebleau (70 km South of Paris)
Thursday, October 22
Afternoon visit to the Chateau and Gardens;
Banquet at "Le Vieux Logis" in Thomery, close to Fontainebleau.


Travel Support Funding will be available to provide partial travel support for a limited number of participants: invited speakers, student, and postdoctoral fellows will receive priority. The deadline for receipt of travel grant applications has now passed.


Mailing List Future information pertaining to this conference (i.e., scientific program, housing, registration) will be sent to those who have either submitted an abstract or have asked to be placed on the mailing list.

Those not submitting abstracts who wish to be placed on the mailing list, please contact one of the conveners, stone@urap1.gsfc.nasa.gov or bougeret@megasx.obspm.circe.fr


Important Dates


Abstract Submission Information

General Information

ABSTRACT DEADLINE: JULY 1, 1998

ABSTRACT SUBMISSIONS BY MAIL:

The abstract page is divided into two parts: the submittal information and the abstract itself. Please follow the instructions for both carefully.

Do not exceed the maximum abstract dimensions: standard, 11.8 cm wide x 18 cm long; extended, 11.8 cm wide x 28 cm long. Abstract length is measured from the top line of the title to the last line of the abstract text. An extended abstract must be submitted on legal-size paper (8.5" x 14"). Abstracts exceeding the 11.8 cm width requirement will be returned to you. Abstracts exceeding the 28 cm length limit will be cut off to conform to the appropriate size.

Abstracts are photocopied exactly as they are received, with approximately a 40% reduction in size, for printing in the meeting program that contains all abstracts accepted for the meeting. Therefore copy must be of letter-quality type, and you must use at least 12-pitch type or 11-point font size, or your abstract may not be readable.

Proofread your abstract carefully prior to submission. AGU staff cannot make any changes or corrections to abstracts. Abstracts received are considered final copy.

Do not send copies by fax or telecopier. Please mail one original and two copies for delivery by July 1, 1998, to

Chapman Conference on Space Based Radio Observations at Long Wavelengths
American Geophysical Union
2000 Florida Avenue, N.W.
Washington, DC 20009

Submittal Information: Numbered sections below refer to the items required in the submittal information area of the abstract. Submittal information must be typed to the right of the abstract copy. Please complete each item.

1. Title of Meeting (Chapman Conference on Space Based Radio Observations at Long Wavelengths)
2. Indicate INVITED, TUTORIAL, or POSTER.
3. a) Corresponding address: Give name, affiliation, and mailing address of the author to whom all correspondence regarding this abstract should be sent.
b) Corresponding author's telephone number.
c) Corresponding author's fax number
d) Corresponding author's E-mail address.
4. Indicate whether the first author is a student.

Preparation of Abstract Copy: Abstract copy must be located on the left side of an 8.5" x 11" page (8.5" x 14" for extended abstracts). Allow for a left margin of 0.5 cm and a top margin of 4 cm. The width of the abstract may not exceed 11.8 cm. Use a minimum 12-pitch type or 11-point font size. A complete abstract must include:

TITLE: The title of the abstract should be in uppercase and lowercase bold type, capitalizing the first letter of all words of four letters or more. Indent second line of title two spaces if it runs over. Leave one blank line after title.

AUTHOR BLOCK: Type names of authors (no punctuation) and addresses in uppercase and lowercase letters. Also include telephone and fax numbers and e-mail addresses. Underline the name of the author who will present the paper. Indent the second and subsequent lines two spaces. Separate author information with a semicolon. Leave one blank line after author block.

ABSTRACT: Leave one blank line between paragraphs. Neatly drawn symbols, Greek letters, or other camera reproducible copy are acceptable, but avoid using in the title if at all possible. Mount figures with clear glue or rubber cement; do not use adhesive tape.


ABSTRACT SUBMISSIONS BY E-MAIL:

Compose your abstract on your E-mail software exactly as you would a normal message, using a MAXIMUM of 75 standard ASCII characters per line. Re-set your margins, if necessary, so that the text wraps from line to line, to avoid the insertion of hard returns. Follow the instructions below. A sample E-MAIL abstract is provided at the end.

1) TITLE - The title of the abstract should be composed in a standard title format, capitalizing the first letter of all words of four or more letters. Insert one blank line after title.

2)AUTHOR BLOCK- The author block should contain the name of a presenting author that should be enclosed in brackets and asterisks, like so: [*I M First*]. If there is no presenting author, then input [*!*] at the beginning of the author block. Input your author block by typing the author's name, then putting their address, phone, fax, and e-mail information in parentheses, ( ). Do not put each
author on a separate line, but rather, separate each author's information with a semi-colon (;). Leave one blank line after the author block.

3)ABSTRACT TEXT - Special symbols or graphics should not be used in composing the abstract. Leave one blank line between paragraphs and after the body.

4)SUBMITTAL INFORMATION - This section is to record information about which meeting the abstract is being submitted to and to obtain contact information. Please provide the following:
1. Title of meeting (Chapman Conference on Space Based Radio Observations at Long Wavelengths) (VERY IMPORTANT!)
2. Indicate INVITED, TUTORIAL, or POSTER.
3a. Corresponding address: Give name, affiliation,
and mailing address of the author to whom all correspondence regarding this abstract should be sent.
3b. Corresponding author's telephone number.
3c. Corresponding author's fax number
3d. Corresponding author's E-mail address.
4. Indicate whether the first author is a student.

5) SUBMIT YOUR ABSTRACT - Send the abstract to the following Internet address: khansen@agu.org
6) CONFIRMATIONS - Confirmations of received abstracts will be sent via electronic mail within one business day of submission. If you have not received confirmation, please call the AGU at +1-202-462-6910, ext. 382 or fax: +1-202-328-0566.


SAMPLE E-MAIL ABSTRACT SUBMISSION:

Remote Sensing of Alpine Snow Properties: A
Review of Techniques and Accomplishments
Using the Visible Wavelengths Through the
Microwave

[*J S Smith*] (Department of Geology, University
of California, Santa Barbara, CA 93106-3060; ph.
805-893-2308; fax 805-893-2578; e-mail:
imfirst@Eos.ucsb.edu); A C Cohen (Hydrology
Department, Watertown University, Watertown,
MA 02172; ph. 413-789-1234; fax 413-789-1256;
e-mail: ursecond@ocean.hydro.edu)

Topography causes wide variations in the
properties of alpine snow within small areas, and
a knowledge of the spatial variation of many
properties is essential for the application of
distributed hydrologic models and for establishing
the surface boundary condition for regional
climate models. However, the topography affects
the electromagnetic remote sensing signal by
shadowing some terrain and by modifying the
angles of incidence, emission, and reflection of
the signal, and our knowledge of the elevation
model is usually not precise enough to allow
a priori calculation of the geometric relationships
between the surface, sensor, and the Sun. Hence
remote sensing algorithms must be robust to such
uncertainties, except in areas where topographic
knowledge is especially good.

The most elementary snow property is the
presence or absence of a snow cover, and snow
mapping -- discrimination of snow from other
types of surfaces and from clouds -- is best
accomplished with a combination of visible and
near-infrared wavelengths.

1. Chapman Conference on Space Based Radio Observations at Long Wavelengths
2. Invited
3. (a) J S Smith
Department of Geology
University of California
Santa Barbara, CA 93106-3060
(b) 805-893-2309
(c) 805-893-2578
(d) imfirst@crseo.ucsb.edu
4. No

If you have questions, please contact Kristen Hansen, khansen@agu.org, 202-462-6910, ext. 382.


For Further Information For additional information about the conference, contact one of the conveners listed above or:

AGU Meetings Department
Space Based Radio Observations at Long Wavelengths
2000 Florida Avenue, NW
Washington, DC 20009
Phone: 1-800-966-2481 (inside North America)
+1-202-462-6900, ext. 215 (in D.C. or outside North America)
Fax: +1-202-328-0566
E-mail: meetinginfo@agu.org
AGU Web Site: http://www.agu.org

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