This idea will appear to be still more fully confirmed when we study the soundings taken during the late hydrographical survey.
Under certain circumstances a change of level may undoubtedly force the water to flow over into some distinct hydrographical basin; but even then it will fall immediately into some other system of valleys already formed.
The hydrographical basin of the Mississippi displays, on the grandest scale, the action of running water on the surface of a vast continent.
After his return to Norway Johannesen sent to the Academy of Sciences in Stockholm a paper on his voyage in 1869, and on his hydrographical observations in the Kara Sea, for which he received a silver medal.
Bove, Lieutenant in the Royal Italian Navy, superintendent of the hydrographical work of the expedition .
Under so variable hydrographical conditions we might have expected an exceedingly scanty marine fauna, but this was by no means the case.
Flinders was without a rival in his generation for the beauty, completeness, and accuracy of his hydrographical work, and Captain Baudin's excuses probably sprang from pride.
Spirit-writing one has heard of, but not even the Psychical Research Society has recorded the case of a dead man copyinghydrographical charts.
I believe that such changes in the relative level of land and sea have actually occurred in the post-pliocene era in the hydrographical basin of the Mississippi and in that of the Rhine.
A] At Cannstadt, near Stuttgart, in a valley also belonging to the hydrographical basin of the Rhine, I have seen the loess pass downwards into beds of calcareous tuff and travertin.
Each of these groups of detritus is observed (see map, Figure 43) to contain exclusively the wreck of such rocks as occur in situ on the Alpine heights of the hydrographical basins to which the moraines respectively belong.
The Reuss has also stamped the lithological character of its own mountainous region upon the lower part of its hydrographical basin by covering it with its peculiar Alpine drift.
On this subject, however, I shall not dwell, but refer those who desire particular information to the charts and Hydrographical Memoir.
Your last, containing the last sheet of your chart, I forwarded to the Hydrographical Office at the Admiralty, as you desired.
The hydrographical result of these works (which were begun in 1868, and only completed a few years ago) was to lower the surface of these lakes to the extent of six or eight feet.
The natural causes which have effected this great change in the hydrographical conditions of Holderness are to be found in the steadily progressing encroachment of the sea on the land, which here goes on at a very rapid rate.
Their absence in Northern Europe, Spain and Portugal, and other places cannot be accounted for by a deficiency in the topographical and hydrographical requirements for such structures.
An extensive geological term, but limited in hydrographical parlance to hard and solid masses of the earth's surface; when these rise in insulated masses nearly to the surface of the sea, they render navigation especially dangerous.
A hydrographical warning on a chart to denote that the pinnacle of a rock, or a shoal, may exist thereabout.
The hydrographer to the admiralty presides over the hydrographical office.
This contains hydrographical observations of every port visited, and is sent annually to the admiralty, together with any charts, plans, or views which have been taken.
Hydrographical researches have demonstrated the existence of subterranean currents and reservoirs in many regions where superficial geology had not indicated their probable presence.
Theory and the authority of all hydrographical writers combine to show that the channels of rivers undergo an elevation of bed below a canal of diversion.
Both the ships of the Expedition will be equipped for dredging, sounding, and every variety of hydrographical work.
The hydrographical work in the Weddell Sea has done much to clear up the mystery of this, the least known of all the seas.
The coast survey is the most important topographical and hydrographical work in the country.
Last year Congress established a hydrographical bureau in the Navy Department.
The hydrographical officers would receive the shore line, take the soundings, and make the chart.
There are numbers of naval officers capable of doinghydrographical duties under this bureau.
The hydrographical engineer attached to D'Urville's last expedition, and the constructor of most of the charts published in the Hydrographical Atlas of Voyage au Pole Sud etc.
Among other hydrographical results, was the discovery of large portions of the land forming the north-west shores of this bay, extending from Bristow Island to the northward and eastward for a distance of 120 miles.
Certainly Captain Baudin, in order to render this hydrographical survey complete, should have followed out his instructions, and penetrated beyond St. Peter and St. Francis Islands.
He found safe anchorage in Christmas Sound, where as usual, he made a careful hydrographical survey.
Moreover, the geographical and hydrographical results were considerable.
Fleurien took a number of astronomical observations, and hydrographical surveys, which resulted in a well-founded condemnation of the maps of his country.
It is needless to praise his qualities as a seaman; his hydrographical works remain, but above all his careful treatment of his crews deserves to be remembered.
He also profited by his stay to make hydrographical surveys of the shores, whilst a leak which had been found in the gun-room of the Endeavour, was attended to.
His hydrographical sketch was acknowledged to be so exact and complete that he received orders to examine the channels of the river below Quebec.
And the English could not ascertain from their cursory inspection or hydrographical examination that, mineralogically speaking, it was one of the richest countries of the New World.
When Cook had completed the hydrographicalsurvey of Dusky Bay, he started for Queen Charlotte's Sound, the rendezvous assigned to Captain Furneaux.
But Cook justly remarked that his arrival had brought about a general reunion of all the tribes, and Lieutenant Pickersgill decided during his hydrographical excursions that the country was sparsely populated.
That it had so successful a propagation is owing, beyond a doubt, as much to the exclusive spirit of the Spanish government in keeping to itself its hydrographical progress as to any other cause.
Greenland coast, and discovered the strait known by his name, and in 1595 when he published his World's Hydrographical Description, he maintained that he had touched the threshold of the northwest passage.
Beyond the first we must again descend to the basin of the Indus, behind the second lies an enclosed hydrographicalarea which we must traverse in order to reach the country draining to the ocean through the upper valleys of the Brahmaputra.
Notwithstanding this general character of regularity, these cavities are not hydrographical basins or river valleys.
Report on theHydrographical Basin of the Upper Mississippi, by J.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "hydrographical" in a variety of sentences. We hope that you will now be able to make sentences using this word.
