DEFINING THE POLITICAL/ECOLOGICAL
THRESHOLD FOR THE EUPHRATES AND TIGRIS RIVERS
By John Kolars
Source: Arab Studies
Quarterly, Spring2000, Vol. 22 Issue 2, p101, 12p.
PROFESSOR TOMANBAY'S
ARTICLE presenting Turkey's approach to the utilization of the Euphrates and
Tigris Rivers demonstrates the keen nationally focused attention brought to the
problem by each of the three riparians sharing the two rivers. Essays on the
same subject by either Syrian or Iraqi authors would present equally persuasive
yet nationally focused accounts of the situation.
While Tomanbay's essay
emphasizes the "Right of Sovereignty" to water
originating on Turkish territory, other strong legal claims to the water of
rivers shared by several riparians are based upon the concepts of the
"Right of Prior Usage" and the "Right of Equity." All three
types of claims are recognized by the international community. When concerned
riparian litigants cite two or all three, as in the present situation, deciding
among them compounds the problem. Taken in combination, the water
demanded by the three riparians would exceed the actual flow of the Euphrates
in the year 2040 by at least 2.0 bcm/yr (Ozal and Altinbilek, Table 8; Kolars
and Mitchell, Figure 11.1 for a similar predication).
Continued disagreement over
the waters of the Euphrates and Tigris Rivers, as exemplified by
Professor Tomanbay's article, is the result of changes in "the location of
water management activity and the type of water controls (which
have been) introduced" (Beaumont, 171). Such changes, after centuries of
stasis, have been abrupt. Before the introduction of gasoline pumps for cotton
production in the 1950s there was little Syrian utilization of Euphrates' waters (Kolars, 1994, 135). "Irrigated hectarage on the
Euphrates, Orantes (Asi), and Khabur leaped from 284,000 ha in 1956 to 583,000
ha in 1957" (Sanlaville and Metral, 231). By 1970 160,000 ha in the Syrian
Euphrates valley, largely in the bands of private entrepreneurs, were under
irrigation (Treakle, 19). As a result, Syria, the middle
riparian on the Euphrates, bases its strongest claims on the principle of
equity, for not only does it need water from the river for a
major portion of its irrigated agriculture, but also faces severe domestic water
shortages. Aleppo already depends upon Euphrates' water piped
from Lake Assad, while similar shortages in Damascus and Horns must in the
future be met by inputs from the same river.
Farthest downstream, Iraq
posits prior usage as its claim on the Euphrates and Tigris Rivers. Inhabitants
of Mesopotamia, essentially modern Iraq, have used the rivers for a period of
7,500 years. Though over the millennia irrigated agriculture has been
intermittent and varying in intensity, from the nineteenth century on
increasing irrigated hectare has depended upon the twin rivers. By 1984, Iraq,
according to government sources, annually was using 48.3 billion cubic meters
of river water (Shapland, 107-109).
The abrupt changes in the
use and amount of water needed by Turkey, Syria, and Iraq have given little
time for a solution to be found which is acceptable to all three riparians, nor
do continuing developments promise quick answers. The following discussion
suggests that a broader approach to the river and their basins(s) (see below)
might be able to cut this new, seemingly unsolvable Gordian Knot.
While the political impact
of such changes has been dramatic (Biswas, et al, 1997, Chap. 2, and Naff,
1994), the ecological consequences of these developments have been for the most
part overlooked (Richardson, pp. 36-47). The following discussion also posits
that the sustainable ecology of the rivers must take precedence over the
demands of any of the riparians. If not, all three will suffer.
Three elements must be
recognized in order to find an ecologically sustainable way out of this seeming
impasse of claims and counter claims. These are: facts (verifiable descriptions
of events upon which all parties agree), interpretations of such facts, (i.e.,
nationally influenced perceptions), and acts (developmental activities based on
such interpretations). It should also be noted that acts themselves and their
consequences could in turn be interpreted as good or bad depending upon the
viewpoint of the interpreter. Interpretation inevitably reflects the political
and cultural biases of the interpreters. Thus, political and cultural
interpreters and the acts based upon them need to be brought into accord with
the ecological viability of the river and its basin. That is, some threshold
must be recognized beyond which politics is not allowed to deteriorate into
killing the goose, which lays the golden egg.
THE IMPORTANCE OF FACTS
Facts are something that
have been too often overlooked or slighted during water
negotiations. By this is meant the actual data, e.g., the amounts and/or
quality of water available in the rivers, lakes and aquifers being discussed.
This also refers to the timing of events: are there spring floods and late
summer droughts? Are we talking about a really good year or a really bad one?
Or are the figures quoted multi-year averages, and if so, for how many years?
Such questions could go on and on. In fact, five years ago this author made a
presentation to the United States, Department of State, Middle East water negotiators to persuade them of just this point.
An example of the trouble
that lack of attention to the correctness and completeness of the facts, i.e.,
the data which are the object of negotiation, occurred on our own Colorado
River at the beginning of the twentieth century. The states of California and
Arizona early on recognized the value of the Colorado River and began staking
claims to its water. They did this with little regard to the water
rights of upstream states such as Colorado and Utah. Political wrangling ensued
until the Boulder Canyon Act was approved by the U.S. Congress in December
1928, ratified by California in February 1929, and signed into law by President
Herbert Hoover on June 25 of the same year.
But that was not the end of
the disagreement between the seven riparian states sharing the river. In fact,
it continues to the present day. It is not the intention here to belabor the
reader with Colorado River woes. Let it suffice to quote the following:
... the framers of the
compact assumed the dependable yield of the river to exceed sixteen million
acre-feet per year; the farmers apparently believed that average flow to be
close to seventeen or eighteen million acre feet. It is now widely believed by
students of the matter that the average annual yield is less, possibly
considerably less, than the fifteen million acre-feet actually divided up by
the compact. (Kneese and Bonem, 89)
An example of such
confusion appears in the Special 1996 Double Issue of Middle East Insight. It
concerns the competition for water in the Euphrates River
between Turkey, Syria, and Iraq. In an article entitled, "Ankara Pools Its
Resources," the author writes that "according to most figures"
the average annual volume of the Euphrates River is 36 billion cubic meters
(bcm) (Volkan, 55). In the article which follows, entitled, "Water
Rights and Wrongs--in the view of Damascus more ill will than water flows form
the taps in Ankara," its author quotes "Nabil Samman, a Syrian expert
in the water issue," that "the annual flow of the
Euphrates reaches 27 billion cubic meters" (Hamidi, 60). Meanwhile, in his
paper Professor Tomanbay posits 31.61 bcm annually (Table 3). William Mitchell
and this author, after years of research examining all the data available to
us, conclude in our book on the Euphrates River that the average annual flow of
the river is 33.46 bcm (Kolars and Mitchell, 232-235). Naturally, we think we
are correct and the others are wrong. A case in point!
And again, in the October
1996 issue of Middle East Policy a contributor evaluates the situation existing
between Israel and Syria and suggests how United States' financial
aid might improve it. He devotes a quarter of his article to "Guaranteeing
the Flow of Water," by which he means making certain that Syria
and Iraq receive fair shares of the Euphrates River. This would be a
commendable undertaking. However, the author in his provisions for such action
lists among other points, "Second, Washington would take steps to ensure
that storage facilities inside Syria matched those under
Turkish control" (Lawson, p. 108).
This is simply not
possible. The Euphrates River in Turkey flows through mountainous terrain with
a number of sites ideally suited for deep storage reservoirs. There are no
mountain gorges on the Euphrates in Syria and the few places
suitable for even the shallow impounding of water have already been utilized:
the Tishreen Dam, the Thawrah Dam, and the Ba'ath Dam. Moreover, existing
reservoirs are shallow, and compared with reservoirs upstream in Turkey, lose
disproportionately large amounts of water through evaporation
(Table 1). Valuable time and effort might be lost negotiating this moot
suggestion regarding a circumstance due entirely to the asymmetry of natural
conditions, and a misunderstanding of the data (facts).
Facts may vary with the
methods of observation employed as well as the times and sites involved. For
example, the wide seasonal and multi-annual variation in the flow of the
Euphrates is a fact. Our perception of the magnitude of such variance depends
upon the observations made (and our ability to agree upon their accuracy) (See
Kolars and Mitchell, Chap. 5).
ACTS AND INTERPRETATIONS
Some other facts depend
upon how they are worded. An example will illustrate this point. Most
authorities state that 88 percent of the flow of the mainstream of the
Euphrates River is generated or comes from Turkey. Such statements hinge on the
definition of the words "generated" or "comes from." (This
example and the one which follows are drawn from specific writings. It is not
the intention of this author to badger his colleagues; therefore exact
references are not given but are available upon request.)
The aquifers feeding the
Syrian tributaries of the Balikh and Khabur are charged by rainfall in Turkey
(U.N., 1966). In view of this, 96 to 98 percent of the flow of the Euphrates
can be seen as under Turkish control. Syria's dependence upon
downstream flow from Turkey is further exacerbated when one learns that Turkish
pumping of ground water in recharge areas of the two tributaries could
significantly reduce the flow of the Syrian springs, which feed them. Conversely,
once irrigation water from Lake Ataturk reaches those same
recharge areas, increased return flow may result in excessive flooding
downstream and/or problems of pollution if such flows are contaminated with
herbicides, pesticides, or fertilizer.
In another example, an
author stares that Turkey has guaranteed 500 cms downstream flow, but modifies
his statement using the phrase that it has "only been willing to" do
so although it is "only about 50 percent of the natural flow of the river."
This kind of language could be interpreted as selfish, or it could be
interpreted as being carefully realistic since there have been runs of dry
years where less than 500 cms have been available.
The concept of
"natural" or average annual flow is a statistical abstraction rarely
matched in nature. This is shown in Table 2 where it is assumed that Turkey
retains an average of 450 cms and allows all other flow downstream and
nevertheless runs short in some years.
Upstream storage in Turkish
reservoirs, as mentioned above, can be interpreted as evening out flow
variance, which is beneficial for all, or as water hoarding. As
pointed out, Turkish source areas have the best sites for deep storage
reservoirs. Additional advantages of headwater storage relating to power
generation and clean air could also be cited (Miller). At the lower end of the
river system, in the case of Iraq's draining of downstream marshes, it is an
ecological fact that the wet lands and their dwellers, human and other, will be
impacted. But whether such impacts are interpreted as good or bad depends upon
the politics of the interpreter.
A frequent suggestion is
that depletions of the Euphrates might be met in Iraq by additions from the
Tigris. The latter river is fed by left bank tributaries and should be able to
supply local needs as well as those for its sister river (Kolars, 1997, 53).
This possibility is clouded by conflicting interpretations of the facts. That
two rivers are involved is a fact, but whether or not they share one basin
joined at the Shatt al-Arab, the Turkish view (Government of Turkey), or are in
two independent basins, the Iraqi view, depends upon the political
interpretations involved. This difference in turn precipitates discussion of
the appropriateness and/or legitimacy of inter-basin transfers of water,
a topic even further removed from the natural streams and their ecologies.
RIVER ADVOCACY AND A RIVER
ETHIC
It is this intersection of
human interpretations with verifiable facts that needs to be identified.
However, when people with different, nationally generated views and agendas
meet, as illustrated by the consternation with which some readers may view
Professor Tomanbay's contribution to this journal, confusion results. How can
this dilemma be resolved?
As suggested above, this
essay proposes that problems of development can best be resolved through the
introduction of a River Ethic, a notion derived from Sandra Postel's call for a
"Water Ethic" (Postel). In this case, during
negotiations regarding the use of a river by several riparians or conflicting
intramural interests, the river itself would be represented by impartial
participants, River Advocates. These advocates would espouse a River Ethic;
that is, they would practice Advocacy on behalf of the river. In the case under
discussion the introduction of a dispassionate external party advocating the
good of the Euphrates and Tigris Rivers would put opposing political points of
view in perspective, and in the long run benefit all the human users (Kolars,
1997, 51).
This suggestion may seem
unrealistically optimistic. Whether or not such a group might have a voice in
ongoing negotiations remains to be seen. However, without such an effort, the
twin rivers and the Gulf into which their combined flow empties will suffer
irreversible ecological damage (Kolars, 1994, 139-148). There will no human
winners if that occurs.
How can this be
accomplished? We must begin by think of the river as a total entity with an
existence of its own. We must realize that the human relationship to the river
is a truly symbiotic one. We must learn to think holistically, not in terms of
nationally defined river .segments. We must see the river as a living entity
and become its advocates.
THE CONCEPTS OF RIVERINE
NEED AND "RIVER AS ENTITY" AS ASPECTS OF ENVIRONMENTAL SECURITY
There are several ways of
considering environmental security, the new catch phrase covering the interface
between the natural environment and human activities. These, in turn, depend
upon the conditioning (i.e., perceptions) of the observer. Military and
high-level government participants will usually consider as the focus of their
concerns the security of the natural environment as it relates to the
nation-state. Their salient question might be: can some element within the
natural environment be manipulated to constitute a threat or cause harm to out
country and its economy and/or people suggesting that Turkey, during the Gulf
War, should cut oft the flow of the Euphrates in order to "punish"
Iraq (which Turkey refused to consider), would fall into this category.
At another level are
questions relating to inadvertent environmental impacts which could harm a
population or become a casus belli. Pollution resulting from uncontrolled
sewage, industrial wastes, agricultural field run oft would be listed here.
Recent confrontations between Turkey and Syria/Iraq regarding
possible and potential pollution of the Euphrates by Turkey illustrate this.
A third aspect of
environmental security has to do with the viability (i.e., health) of the river
system itself. This view can be further divided into treating the river as a
total system serving the multiples uses of humankind (White, and more generally
Science, 25 July 1997, devoted to "human dominated ecosystems"), and
a more fluviocentric view which is the one considered primary by this author.
The concept of need is a
good place is a good place to begin examining the latter approach. Simply put,
just as human beings need the river, the river needs human beings. The river
needs their consideration, their help, their perception that the river is an
entity which in order to survive must maintain a healthy corpus in a felicitous
environment. If the river perishes, so will all the creatures, great and small,
human, animal and plant, with which it shares a commensalistic relationship.
Consider the following: a
river has three roles (Tenenbaum, 1994, 11154). It serves as a route way for
the basin/region it serves, not only for human commerce, but for anadromous
fish and as a flyway for birds. Improperly used, it can also be the means of
introducing disease and parasites, cholera, coli, schistosomes, along its
length.
A river also serves the
area through which it flows. It is the artery that provides life itself, as do
its tributaries and distributaries, whether irrigation systems or natural
deltas. Not only does it collect and bring life giving water,
but it also carries away poisons and waste, serving the body regional, as does
a healthy circulatory system cleanse the human body.
The discussion which
follows is drawn from: (Kolars, forthcoming 2000). A river is an entity unto
itself. A river in its natural state assumes a comprehensive gradient from
source to mouth. Disturbance or blockage of this gradient telegraphs itself
from beginning to end and initiates a series of readjustments in slope and flow
and carrying capacity throughout its system (Stolum). A river adjusts to
variations in seasonal changes in volumetric flow by means of its thalweg (the
thread of fastest flowing water) (Ingle and Stopp, 106), its
flood plains, and its underground flow. In its natural state, a river neither
floods disastrously, nor shrinks capriciously. Those crises are defined by
human perceptions, and often caused by human intervention. For example, the
increasingly destructive floods in the American Midwest are the result of inept
manipulation of the region's river' patterns and topology, and increased
populations rushing headlong to occupy untenable flood plains.
The river has its own
regulatory adjustments and its own dependent biota. All of these can be
disturbed, even destroyed through human intervention. When the river
subsequently sickens, perhaps dies, the symbiotic benefits accruing to human
users cease.
These ideas need to be
recognized in order to facilitate give and take across the mediation table. The
participants, with the help of river advocates, must recognize the necessity of
preserving the river's rights as well as their own, that they share an
undeniable mutual dependency with the river. Let the river be seen as a
vulnerable whole, the concern of all who sit in mediation. A beginning could be
the writing of a River Ethic to supplement existing documents such as The
Helsinki rules on the Uses of the Waters of International
Rivers, and the United Nations Draft Articles on the Law of the
Non-navigational International uses of International Watercourses. If the
problems faced by the river were to be thus highlighted, it might become
possible to define, for the benefit of all, the political/ecological threshold
critical to rational discussion. This approach could lead to the resolution of
the problem of sharing the Euphrates and Tigris Rivers.
The above ratios indicate
the average number of cubic meters of water beneath each square
meter of reservoir area. The larger the number, the more efficient the storage
vis-a-vis evaporation losses. Mountain (i.e., headwater) locations provide the
best and deepest reservoir sites. In the case of the Euphrates reservoirs, it
should be noted that the farther downstream the reservoir in question is
located, the higher will be the average annual ambient air temperature,
resulting in greater evaporation losses per square meter of surface. This
constitutes a multiplier effect when considering the best (of worst) places to
store water. These comments, however, do not take into account
the political ramifications of the situation, for downstream ushers may have
serious reservations as to the availability of water stored in
upstream locations. (Kolars, 1994, Table 2, 137).
TABLE 1:
Surface Areas and Vols. Of Some Middle Eastern Reservoirs
Legend for Chart: A - CountryB - Dam/ReservoirC - Vol. (1 x 10[sup 6] m[sup 3])D - Area km[sup 2]E - Ratio: V/A (1 x 10[sup 6] m[sup 2]) A B C D E Turkey Keban 30,600 67 44.4 Karakaya 9,580 298 32.1 Ataturk 48,700 817 59.6 Birecik[*] 1,220 56.25 21.7 Karkamis[**] 200 28.4 7.0 Syria Tishreen 1,300 70 18.6
Tabqa (Al-Thawrah) 11,700 628 18.6 Ba'ath 90 2.7 33.3 Martyr Basel Al-Assad (Khabour River)[***] 605 92.5 6.5 Iraq Haditha (Qadasiyah) 10,000 550 18.2 Habbaniyah 3,100 400 7.8 Egypt Lake Nasser 78,500 3,500 22.4 Sources: Kolars and Mitchell, Army Corps of Engineers, Ozaland Altinbilek, [***] Financial Times, G.W.R., p. 10 (Computations by Kolars.) [*] under construction [**] proposed
TABLE 2:
Average Yearly Flows (cms) of the Euphrates River-1937-1963
(a period of generally low flows) (27 year average flow = 854.6 cms = 27.0 x 10[sup 9]m[sup 3]/yr) (Assumed storage 46.8 bcm = 1484 cms) (Turkey uses 450 cms/yr) (Short & Long refer to values above and below 500 cms downstream) Legend for Chart: A - YearB - cmsC - DownstreamD - Short (Turkey keeps 450/cms)E - Long (Turkey keeps 450/cms)F - Cumulative (Turkey keeps 450/cms) A B C D E F Assuming 46.8 bcmLive storage to begin Assumed full storage at beginning ofseries in cms +1484 1937 894 444 -56 -56 1428 1938 997 547 +47 -9 1475 1939 831 381 -119 -128 1356 1940 1165 715 +215 +87 1484[*] 1941 1120 670 +170 +257 1484[*] 1942 1032 582 +82 +339 1484[*] 1943 856 406 -94 +245 1390 1944 1056 60 +106 +351 1484[*] 1945 691 241 -259 +92 1225 1946 920 470 -30 +62 1195 1947 703 253 -247 -185 948 1948 1007 557 +57 -128 1005 1949 662 212 -288 -416 717 1950 753 303 -197 -613 520 1951 716 266 -234 -847 286 1952 932 482 -18 -865 268 1953 906 456 -44 -809 224 1954 1012 562 +62 -847 286 reservoirs empty beyond this point 1955 588 138 -362 -1209 0-76 1956 827 377 -123 -1332 0-199 1957 818 368 -132 -1464 0-331 1958 655 205 -295 -1759 0-626 1959 574 124 -376 -2135 0-1002 1960 826 376 -124 -2259 0-1126 1961 484 34 -466 -2725 0-1592 1962 692 242 -258 -2983 0-1850 1963 1356 906 +406 -2577 0-1444 [*] Additional surplus lost--assuming no additional storage.This assumes Turkish retention of 450 cms. Cumulative downstreamlosses = 1444 cms = approximately 45.8 x 10[sup 9]m[sup 3]. Source: Government of Turkey. Computations by Kolars.
REFERENCES
Beaumont, Peter. 1998.
"Restructuring of Water Usage in the Tigris-Euphrates
Basin: The Impact of Modern Water Management Policies." Transformations of
Middle Eastern Natural Environments: Legacies and Lessons. Bulletin Series,
Yale School of Forestry and Environmental Studies, Number 103, Volume Editors:
J. Albert, M. Bernhadsson, R. Kenna (New Haven: Yale University Press).
Biswas, Asit and John
Kolars, et al., eds. 1997. Core and Periphery.' A Comprehensive Approach to
Middle Eastern Water (Calcutta: Oxford University Press).
Financial Times. 1996.
"Global Water Report." Issue 7. September 1996.
Hamidi, Ibrahim. 1996.
"Water Rights and Wrongs." Middle East Insight. Special Double Issue,
Vol. XII, Numbers 4-5, May-August, 58-61.
Ingle, David and Peter
Stopp. 1978. The River Basin: An Introduction to the Study of Hydrology.
(Cambridge: Cambridge University Press).
Kneese, Allen V. and Gilbert
Bonem. 1983. "Hypothetical Shocks to Water Allocation
Institutions in the Colorado Basin." New Courses for the Colorado River.
Gary D. Weatherford and F. Lee Brown, eds. (Albuquerque: University of New
Mexico Press), 87-108.
Kolars, John. "Middle
Eastern Rivers: Geographic Perceptions, Concepts and Management." Water in the Middle East: A Geography of Peace. Hussein A. Emery
and Aaron T. Wolf, eds. (Austin: University of Texas Press, 2000).
Kolars, John. 1997.
"River Advocacy and Return Flow Managemen on Euphrates/Furat River." Water International. Vol. 22, No. 1, March, 49-53.
Kolars, John. 1994.
"Managing the Impact of Development: The Euphrates and Tigris Rivers and
the Ecology of the Arabian Gulf- A Link in Forging Tri-Riparian
Cooperation." Water as an Element of Cooperation and
Development in the Middle East. All Ihsan Bagis, editor. (Ankara: Ayna
Publications and the Friederich Naumann Foundation in Turkey: Ankara.) 129-154.
Kolars, John and Wm. A.
Mitchell. 1991. The Euphrates River and the Southeast Anatolia Development
Project. (Carbondale: Southern Illinois University Press).
Lawson, Fred H. "Can
U.S. Economic Assistance Alter Syria's Posture towards
Israel?" Middle East Policy. Vol. 4, No. 4. October 1996, 102-109.
Miller, David. "Headwater
Storage -- The Sustainable Western Solution for Clean Water,
Power, and Air Needs in the 21st Century." Guest Editorial, U.S. Water
News. July 1997, 7.
Naff, Thomas. 1994. Water in the Arab World -- Perspectives and Prognoses.
"Conflict and Water Use in the Middle East." Peter Roger and Peter
Lyndon. (Cambridge: Harvard University Press), 253-284.
Ozal, Korkut, and H. Dogan
Altinbilek. 1994. "Water and Land Resources Development in
Southeastern Turkey". Water in the Islamic World -- An Imminent Crisis.
Khartoum: The Eighth Islamic Academy of Sciences Conference.
Postel, Sandra. 1992. Last
Oasis (New York: W.W. Norton and Co).
Richardson, Matthew. 1995.
Guenydogu Anadolu'nun Surdurulebilil Kalkinma Potansiyeli. Ankara. TES-AR
Yayinlari No.: 15, Turkeiye Esnaf-Sanatkar ve Kucuk Sanayi Arasturma Enstitusu.
Sanlaville, P. and J.
Metral. "Water, Land, and Man in the Syrian
Countryside" (in French). Revue de Geographie de Lyon. No. 51. 1979,
229-240.
Science. American
Association for the Advancement of Science, V. 277, #5325, 25 July 1997,
445-608 (see pages 495-530).
Shapland, Greg. 1997.
Rivers of Discord- International Water Disputes in the Middle
East (New York: St. Martin's Press).
Stolum, Hans-Henrik.
"River Meandering as a Self-Organization Process." Science. Vol. 171.
22 March 1996, 1710-1713.
Tenebaum, David.
"Rethinking the River." Nature Conservancy. July/August 1994, 11-15.
Treakle, H.C., "Syria Dams the Euphrates -- Plans Giant Draught for
Cropland." Foreign Agriculture. 8-10. Washington, D.C., U.S. Department of
Agriculture, Foreign Agriculture Service: 1970.
Turkey, Government of. June
1996. Ministry of Foreign Affairs, Department of Regional and Transboundary Waters, Water Issues Between Turkey, Syria and Iraq.
Turkey, Government of. 1992.
Devlet Su Isleri. Genel. Mudurlugu. Haritali Istatistik Bulteni -- 1991.
Ankara.
United Nations, Food and
Agriculture Organization. 1966. Etude des resources en eaux souterraines de la
Jezireh syrienne. Rome.
Volkan, Kurt D.,
"Ankara Pools Its Resources." Middle East Insight. Special Double
Issue. Vol. XII. Number 4-5. May-August: 1996, 54-57.
White. Gilbert. "The
River as System: A Geographer's View of Promising Approaches." Water International, V. 22, No. 2. June 1997, 79-81.